443 Area Code

Country:
United States
State/Province:
Maryland
Major City:
Baltimore
PrefixPhone TypeLocaltionCarrier
443-200LandlineBaltimore, MDAllegiance Telecom
443-201MobileWestminster, MDCellco Partnership DBA Verizon Wireless
443-202MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-203LandlineWest River, MDVerizon Maryland
443-204MobilePikesville, MDNew Cingular Wireless PCS - DC
443-205MobileCambridge, MDSprint Spectrum L.p.
443-206MobilePerryville, MDCellco Partnership DBA Verizon Wireless
443-207MobileElkton, MDOmnipoint Communications Enterprises, L.p.
443-208LandlineEssex, MDSprint Spectrum L.p.
443-209LandlineHavre De Grace, MDCavalier Telephone (mid-atlantic)
443-210LandlineAberdeen, MDSprint Spectrum L.p.
443-212LandlineSparks Glencoe, MDUs Lec Of Maryland
443-213LandlineBaltimore, MDVerizon Maryland
443-214LandlineAnnapolis, MDNew Cingular Wireless PCS - DC
443-215LandlineChestertown, MDCore Communications
443-216LandlineDundalk, MDCavalier Telephone Mid-atlantic
443-217LandlineAnnapolis, MDCore Communications
443-218LandlineReisterstown, MDGlobal Crossing Local Services-md
443-219LandlineBaltimore, MDLevel 3 Communications
443-220LandlineBaltimore, MDVerizon Maryland
443-221LandlineAnnapolis, MDLevel 3 Communications
443-222LandlineReisterstown, MDXo Maryland
443-223MobileAnnapolis, MDCellco Partnership DBA Verizon Wireless
443-224LandlineBaltimore, MDMci Worldcom Communications
443-225LandlineCambridge, MDSprint Spectrum L.p.
443-226MobileBaltimore, MDSprint Spectrum L.p.
443-227LandlinePort Deposit, MDCtc Communications Corp.
443-228LandlineMiddle River, MDUs Lec Of Maryland
443-229LandlineSeverna Park, MDCavalier Telephone Mid-atlantic
443-230LandlineOdenton, MDCtc Communications Corp.
443-231LandlineBaltimore, MDAT&T Local
443-232LandlineWillards, MDCavalier Telephone (mid-atlantic)
443-233LandlineMardela Springs, MDCavalier Telephone (mid-atlantic)
443-234LandlineSnow Hill, MDCavalier Telephone (mid-atlantic)
443-235MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-236LandlineCardiff, MDCore Communications
443-237LandlineNorth Beach, MDCore Communications
443-238LandlineParkton, MDCtc Communications Corp.
443-239MobileEaston, MDNew Cingular Wireless PCS - DC
443-240MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-241LandlineWestminster, MDGlobal Naps South
443-242LandlineSparrows Point, MDCavalier Telephone Mid-atlantic
443-243MobileFallston, MDCellco Partnership DBA Verizon Wireless
443-244LandlineWestminster, MDLevel 3 Communications
443-245LandlineElkton, MDCavalier Telephone (mid-atlantic)
443-246LandlineElkton, MDCore Communications
443-247LandlineUnion Bridge, MDCtc Communications Corp.
443-248MobileCatonsville, MDCellco Partnership DBA Verizon Wireless
443-249LandlineStevensville, MDVerizon Maryland
443-250MobileBaltimore, MDSprint Spectrum L.p.
443-251MobileChestertown, MDLocal Access LLC
443-252MobilePerryville, MDCellco Partnership DBA Verizon Wireless
443-253MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-254MobileAnnapolis, MDOmnipoint Communications Cap Operations
443-255MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-256LandlineNorth East, MDCtc Communications Corp.
443-257MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-258MobileEaston, MDNew Cingular Wireless PCS - DC
443-259LandlineColumbia, MDVerizon Maryland
443-260LandlineSalisbury, MDVerizon Maryland
443-261LandlineSeverna Park, MDMci Worldcom Communications
443-262LandlineCentreville, MDVerizon Maryland
443-263LandlineBaltimore, MDVerizon Maryland
443-264LandlinePikesville, MDXo Maryland
443-265LandlineFork, MDCavalier Telephone Mid-atlantic
443-266LandlineGlenwood, MDGlobal Crossing Local Services-md
443-267LandlineDarlington, MDTeleport Communications America
443-268LandlineBaltimore, MDCore Communications
443-269LandlineTowson, MDXo Maryland
443-270LandlineBaltimore, MDPaetec Communications
443-271MobileBaltimore, MDSprint Spectrum L.p.
443-272LandlineBaltimore, MDTeleport Communications America
443-273LandlineReisterstown, MDTeleport Communications America
443-274LandlineSevern, MDVerizon Maryland
443-275LandlineBaltimore, MDComcast Phone Of Northern Maryland
443-276LandlineBaltimore, MDAllegiance Telecom
443-277MobileSykesville, MDSprint Spectrum L.p.
443-278LandlineBaltimore, MDVdl DBA Global Telecom Brokers
443-279LandlineBaltimore, MDAllegiance Telecom
443-280MobileSykesville, MDNew Cingular Wireless PCS - DC
443-281LandlineBaltimore, MDAllegiance Telecom
443-282MobileChestertown, MDSprint Spectrum L.p.
443-283LandlineBaltimore, MDPaetec Communications
443-284LandlineJessup, MDXo Maryland
443-285LandlineColumbia, MDVerizon Maryland
443-286MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-287LandlineBaltimore, MDVerizon Maryland
443-288LandlineBaltimore, MDAllegiance Telecom
443-289LandlineWestminster, MDMci Worldcom Communications
443-290LandlineParkville, MDTw Telecom Of Maryland LLC
443-291LandlineHampstead, MDGlobal Crossing Local Services-md
443-292LandlineLaurel, MDLevel 3 Communications
443-293LandlineWestminster, MDGlobal Crossing Local Services-md
443-294LandlineWest River, MDGlobal Crossing Local Services-md
443-295LandlinePrince Frederick, MDLevel 3 Communications
443-296LandlineBaltimore, MDGlobal Crossing Local Services-md
443-297LandlineArbutus, MDTeleport Communications America
443-298MobileEaston, MDNew Cingular Wireless PCS - DC
443-299LandlineFallston, MDGlobal Crossing Local Services-md
443-300LandlineSykesville, MDBroadwing Communications. LLC
443-301MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-302LandlineCrofton, MDGlobal Crossing Local Services-md
443-303LandlineAberdeen, MDGlobal Crossing Local Services-md
443-304LandlineBaltimore, MDGlobal Crossing Local Services-md
443-305LandlineBaltimore, MDGlobal Crossing Local Services-md
443-306MobileBaltimore, MDSprint Spectrum L.p.
443-307LandlineBel Air, MDGlobal Crossing Local Services-md
443-308LandlineBaltimore, MDAllegiance Telecom
443-309MobileElkton, MDSprint Spectrum L.p.
443-310MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-312LandlineBaltimore, MDGlobal Crossing Local Services-md
443-313LandlineFork, MDGlobal Crossing Local Services-md
443-314MobileBaltimore, MDSprint Spectrum L.p.
443-315LandlineBaltimore, MDGlobal Crossing Local Services-md
443-316LandlineBaltimore, MDGlobal Crossing Local Services-md
443-317LandlineBaltimore, MDGlobal Crossing Local Services-md
443-318LandlineCockeysville, MDCavalier Telephone (mid-atlantic)
443-319LandlineColumbia, MDCavalier Telephone (mid-atlantic)
443-320LandlineBaltimore, MDGlobal Crossing Local Services-md
443-321LandlineAnnapolis, MDPaetec Communications
443-322LandlineTowson, MDCavalier Telephone Mid-atlantic
443-323LandlineRhodesdale, MDCavalier Telephone (mid-atlantic)
443-324MobileBaltimore, MDSprint Spectrum L.p.
443-325LandlineEllicott City, MDCavalier Telephone Mid-atlantic
443-326MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-327LandlineAberdeen, MDCavalier Telephone Mid-atlantic
443-328LandlineSykesville, MDCtc Communications Corp.
443-329LandlineJessup, MDGlobal Crossing Local Services-md
443-330LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-331LandlineTaneytown, MDCtc Communications Corp.
443-332LandlineCrofton, MDCavalier Telephone Mid-atlantic
443-333MobileAnnapolis, MDLeap Wireless Intl DBA Cricket Comm
443-334LandlineTowson, MDAllegiance Telecom
443-335LandlineBrooklyn, MDXo Maryland
443-336MobileAnnapolis, MDSprint Spectrum L.p.
443-337LandlineSparrows Point, MDXo Maryland
443-338LandlineSparks Glencoe, MDCtc Communications Corp.
443-339LandlineSherwood Forest, MDCtc Communications Corp.
443-340MobileWestminster, MDCellco Partnership DBA Verizon Wireless
443-341LandlineBaltimore, MDLevel 3 Communications
443-342LandlineSolomons, MDCtc Communications Corp.
443-343LandlineMillersville, MDTeleport Communications America
443-344LandlineSeverna Park, MDCore Communications
443-345LandlineAberdeen, MDLevel 3 Communications
443-346LandlineSeverna Park, MDXo Maryland
443-347LandlineCardiff, MDCtc Communications Corp.
443-348LandlineBaltimore, MDTeleport Communications America
443-349LandlineWestminster, MDCore Communications
443-350MobileElkton, MDCellco Partnership DBA Verizon Wireless
443-351LandlineColumbia, MDUs Lec Of Maryland
443-352LandlineBaltimore, MDAT&T Local
443-353LandlineCockeysville, MDVerizon Maryland
443-354LandlineBaltimore, MDLevel 3 Communications
443-355LandlineBaltimore, MDLevel 3 Communications
443-356LandlineBel Air, MDLevel 3 Communications
443-357LandlinePikesville, MDVerizon Maryland
443-358LandlineSalisbury, MDYmax Communications Corp.
443-359MobileDelmar, MDCellco Partnership DBA Verizon Wireless
443-360LandlineAberdeen, MDTeleport Communications America
443-361LandlineSykesville, MDCore Communications
443-362MobileEaston, MDOmnipoint Communications Cap Operations
443-363LandlineSevern, MDXo Maryland
443-364LandlineBaltimore, MDTeleport Communications America
443-365MobileSalisbury, MDOmnipoint Communications Cap Operations
443-366MobileSalisbury, MDSprint Spectrum L.p.
443-367LandlineColumbia, MDVerizon Maryland
443-368LandlineWestminster, MDCore Communications
443-369LandlineBel Air, MDCore Communications
443-370LandlineAnnapolis, MDNew Cingular Wireless PCS - DC
443-371LandlineBel Air, MDBroadwing Communications. LLC
443-372LandlineEdgewood, MDUs Lec Of Maryland
443-373MobileOcean City, MDSprint Spectrum L.p.
443-374LandlineAberdeen, MDCavalier Telephone (mid-atlantic)
443-375MobileHampstead, MDSprint Spectrum L.p.
443-376LandlineBaltimore, MDTeleport Communications America
443-377MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-378MobileBaltimore, MDSprint Spectrum L.p.
443-379LandlinePikesville, MDComcast Phone Of Northern Maryland
443-380LandlineBaltimore, MDLevel 3 Communications
443-381LandlineReisterstown, MDXo Maryland
443-382LandlineCambridge, MDCore Communications
443-383LandlineWestminster, MDCtc Communications Corp.
443-384LandlineParkville, MDCavalier Telephone Mid-atlantic
443-385LandlineEaston, MDCore Communications
443-386MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-387LandlinePocomoke, MDCore Communications
443-388MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-389LandlineSalisbury, MDCore Communications
443-390LandlineChurchville, MDGlobal Crossing Local Services-md
443-391LandlineBaltimore, MDGlobal Crossing Local Services-md
443-392LandlineBaltimore, MDAT&T Local
443-393LandlineBaltimore, MDGlobal Crossing Local Services-md
443-394LandlinePikesville, MDVerizon Maryland
443-395LandlineAberdeen, MDVerizon Maryland
443-396LandlineOdenton, MDGlobal Crossing Local Services-md
443-397MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-398MobileSykesville, MDSprint Spectrum L.p.
443-399LandlineBaltimore, MDGlobal Crossing Local Services-md
443-400LandlineBaltimore, MDXo Maryland
443-401MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-402LandlineEdgewood, MDTeleport Communications America
443-403LandlineAberdeen, MDBroadwing Communications. LLC
443-404MobileSolomons, MDSprint Spectrum L.p.
443-405LandlineBaltimore, MDGlobal Crossing Local Services-md
443-406LandlineElkton, MDTeleport Communications America
443-407LandlineBaltimore, MDAllegiance Telecom
443-408LandlineBaltimore, MDXo Maryland
443-409LandlineEdgewood, MDCavalier Telephone Mid-atlantic
443-410LandlineBaltimore, MDCenturylink Communications LLC
443-412LandlineChurchville, MDTeleport Communications America
443-413MobileBaltimore, MDSprint Spectrum L.p.
443-414MobileBaltimore, MDSprint Spectrum L.p.
443-415MobileBaltimore, MDSprint Spectrum L.p.
443-416MobileBaltimore, MDSprint Spectrum L.p.
443-417LandlineFallston, MDTeleport Communications America
443-418MobileBaltimore, MDSprint Spectrum L.p.
443-419LandlineGlenwood, MDCavalier Telephone Mid-atlantic
443-420LandlineBaltimore, MDGlobal Crossing Local Services-md
443-421MobileFork, MDNew Cingular Wireless PCS - DC
443-422MobileGlen Burnie, MDLeap Wireless Intl DBA Cricket Comm
443-423LandlineBaltimore, MDBroadwing Communications. LLC
443-424LandlineCardiff, MDTeleport Communications America
443-425LandlineBaltimore, MDAT&T Local
443-426LandlineBaltimore, MDPaetec Communications
443-427LandlinePrincess Anne, MDCore Communications
443-428LandlineCockeysville, MDCore Communications
443-429LandlineWoodlawn, MDCavalier Telephone Mid-atlantic
443-430LandlineBaltimore, MDXo Maryland
443-431LandlineRandallstown, MDXo Maryland
443-432LandlinePrince Frederick, MDCtc Communications Corp.
443-433LandlineAnnapolis, MDXo Maryland
443-434LandlineFederalsburg, MDComcast Phone Of Northern Maryland
443-435MobileBaltimore, MDSprint Spectrum L.p.
443-436LandlineWoodlawn, MDVerizon Maryland
443-437LandlinePocomoke, MDTeleport Communications America
443-438MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-439LandlineTrappe, MDCellco Partnership DBA Verizon Wireless
443-440LandlineAnnapolis, MDVerizon Maryland
443-441LandlineGlenwood, MDTeleport Communications America
443-442LandlineParkville, MDCavalier Telephone Mid-atlantic
443-444LandlineBaltimore, MDVerizon Maryland
443-445LandlineElkridge, MDVerizon Maryland
443-446LandlineQueenstown, MDMci Worldcom Communications
443-447MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-448LandlineDenton, MDComcast Phone Of Northern Maryland
443-449LandlineBaltimore, MDBroadview Networks
443-450LandlineBaltimore, MDLevel 3 Communications
443-451LandlineBaltimore, MDPaetec Communications
443-452LandlineBaltimore, MDUs Lec Of Maryland
443-453LandlineBaltimore, MDNeutral Tandem-maryland
443-454MobileAnnapolis, MDOmnipoint Communications Cap Operations
443-455LandlineBaltimore, MDVerizon Maryland
443-456LandlineEdgewood, MDAT&T Local
443-457LandlineBaltimore, MDTeleport Communications America
443-458LandlineAnnapolis, MDAllegiance Telecom
443-459LandlineBaltimore, MDPaetec Communications
443-460LandlineBaltimore, MDAllegiance Telecom
443-461LandlineParkville, MDUs Lec Of Maryland
443-462MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-463MobileBaltimore, MDSprint Spectrum L.p.
443-464LandlineChurchville, MDBroadview Networks
443-465MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-466MobileElkton, MDSprint Spectrum L.p.
443-467MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-468MobileBaltimore, MDSprint Spectrum L.p.
443-469MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-470LandlineTowson, MDUs Lec Of Maryland
443-471LandlineColumbia, MDUs Lec Of Maryland
443-472LandlineBaltimore, MDLevel 3 Communications
443-473MobileBaltimore, MDSprint Spectrum L.p.
443-474MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-475LandlineBaltimore, MDMci Worldcom Communications
443-476MobileAnnapolis, MDVerizon Maryland
443-477MobileCambridge, MDCellco Partnership DBA Verizon Wireless
443-478MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-479LandlineLaurel, MDVerizon Maryland
443-480MobileChestertown, MDCellco Partnership DBA Verizon Wireless
443-481LandlineAnnapolis, MDUs Lec Of Maryland
443-482LandlineAnnapolis, MDVerizon Maryland
443-483LandlineCardiff, MDBroadwing Communications. LLC
443-484LandlineEdgewood, MDBroadwing Communications. LLC
443-485LandlineElkton, MDBroadwing Communications. LLC
443-486LandlinePrince Frederick, MDBroadwing Communications. LLC
443-487LandlineWestminster, MDBroadwing Communications. LLC
443-488MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-489LandlineBaltimore, MDTeleport Communications America
443-490LandlineEdgewood, MDGlobal Crossing Local Services-md
443-491LandlineParkton, MDGlobal Crossing Local Services-md
443-492LandlineBaltimore, MDGlobal Crossing Local Services-md
443-493MobileDelmar, MDCellco Partnership DBA Verizon Wireless
443-494LandlineMillersville, MDGlobal Crossing Local Services-md
443-495LandlineBaltimore, MDGlobal Crossing Local Services-md
443-496MobileEaston, MDSprint Spectrum L.p.
443-497MobileSalisbury, MDSprint Spectrum L.p.
443-498LandlineBaltimore, MDAllegiance Telecom
443-499LandlineJarrettsville, MDGlobal Crossing Local Services-md
443-500MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-501LandlineBaltimore, MDGlobal Crossing Local Services-md
443-502LandlineHavre De Grace, MDTeleport Communications America
443-503LandlineBaltimore, MDXo Maryland
443-504LandlineFallston, MDCavalier Telephone Mid-atlantic
443-505LandlineBaltimore, MDGlobal Crossing Local Services-md
443-506MobileBaltimore, MDSprint Spectrum L.p.
443-507LandlineHampstead, MDTeleport Communications America
443-508LandlineHampstead, MDCavalier Telephone Mid-atlantic
443-509MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-510MobileAnnapolis, MDCellco Partnership DBA Verizon Wireless
443-512LandlineEdgewood, MDVerizon Maryland
443-513MobileBerlin, MDNew Cingular Wireless PCS - DC
443-514LandlineColumbia, MDUs Lec Of Maryland
443-515MobileCambridge, MDCellco Partnership DBA Verizon Wireless
443-516LandlineSykesville, MDGlobal Crossing Local Services-md
443-517LandlineBaltimore, MDGlobal Crossing Local Services-md
443-518LandlineColumbia, MDVerizon Maryland
443-519LandlineBaltimore, MDGlobal Crossing Local Services-md
443-520MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-521MobileCambridge, MDCellco Partnership DBA Verizon Wireless
443-522LandlineReisterstown, MDPaetec Communications
443-523LandlineSalisbury, MDVerizon Maryland
443-524LandlineBaltimore, MDAllegiance Telecom
443-525MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-526LandlineHavre De Grace, MDCtc Communications Corp.
443-527MobileBaltimore, MDOmnipoint Communications Cap Operations
443-528MobileBel Air, MDSprint Spectrum L.p.
443-529MobileBaltimore, MDOmnipoint Communications Cap Operations
443-530LandlineBaltimore, MDPaetec Communications
443-531MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-532MobilePrince Frederick, MDSprint Spectrum L.p.
443-533LandlineJarrettsville, MDTeleport Communications America
443-534LandlineAnnapolis, MDCellco Partnership DBA Verizon Wireless
443-535LandlineColumbia, MDVerizon Maryland
443-536MobileWestminster, MDSprint Spectrum L.p.
443-537LandlineColumbia, MDVerizon Maryland
443-538MobileColumbia, MDOmnipoint Communications Cap Operations
443-539LandlineColumbia, MDUs Lec Of Maryland
443-540MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-541LandlineBaltimore, MDPaetec Communications
443-542LandlineColumbia, MDComcast Phone Of Northern Maryland
443-543LandlineArbutus, MDVerizon Maryland
443-544LandlinePikesville, MDCavalier Telephone Mid-atlantic
443-545LandlineColumbia, MDBroadwing Communications. LLC
443-546LandlineBaltimore, MDVerizon Maryland
443-547MobileWestminster, MDCellco Partnership DBA Verizon Wireless
443-548LandlineBaltimore, MDAllegiance Telecom
443-549LandlineDundalk, MDUs Lec Of Maryland
443-550LandlineNorth Beach, MDLevel 3 Communications
443-551LandlineBaltimore, MDLevel 3 Communications
443-552LandlineBaltimore, MDVerizon Maryland
443-553MobileElkton, MDCellco Partnership DBA Verizon Wireless
443-554MobileMiddle River, MDOmnipoint Communications Cap Operations
443-556LandlineCockeysville, MDVerizon Maryland
443-557LandlineBaltimore, MDAllegiance Telecom
443-558LandlineAberdeen, MDXo Maryland
443-559LandlineEssex, MDComcast Phone Of Northern Maryland
443-560MobileBaltimore, MDSprint Spectrum L.p.
443-561LandlineColumbia, MDUs Lec Of Maryland
443-562MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-563MobileBaltimore, MDSprint Spectrum L.p.
443-564LandlineBaltimore, MDLevel 3 Communications
443-565LandlineRandallstown, MDCavalier Telephone Mid-atlantic
443-566MobileChesapeake City, MDCellco Partnership DBA Verizon Wireless
443-567LandlineBel Air, MDLevel 3 Communications
443-568LandlineArbutus, MDAllegiance Telecom
443-569LandlineAnnapolis, MDLevel 3 Communications
443-570MobileBaltimore, MDOmnipoint Communications Cap Operations
443-571MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-572LandlineGlen Burnie, MDVerizon Maryland
443-573LandlineColumbia, MDUs Lec Of Maryland
443-574LandlineEllicott City, MDUs Lec Of Maryland
443-575LandlineArbutus, MDCavalier Telephone Mid-atlantic
443-576LandlineBaltimore, MDAllegiance Telecom
443-577LandlineColumbia, MDUs Lec Of Maryland
443-578LandlineBaltimore, MDXo Maryland
443-579LandlineEssex, MDUs Lec Of Maryland
443-580MobileBaltimore, MDSprint Spectrum L.p.
443-581LandlineMiddle River, MDXo Maryland
443-582LandlineChurchville, MDCtc Communications Corp.
443-583LandlineColumbia, MDCtc Communications Corp.
443-584LandlineCrofton, MDCtc Communications Corp.
443-585LandlineDarlington, MDCtc Communications Corp.
443-586LandlineDundalk, MDXo Maryland
443-587LandlineEdgewood, MDCtc Communications Corp.
443-588LandlineBaltimore, MDAllegiance Telecom
443-589LandlineCockeysville, MDUs Lec Of Maryland
443-590LandlineReisterstown, MDGlobal Crossing Local Services-md
443-591MobileGlen Burnie, MDCellco Partnership DBA Verizon Wireless
443-592LandlineElkridge, MDXo Maryland
443-593LandlineElkton, MDCtc Communications Corp.
443-594LandlineBaltimore, MDGlobal Crossing Local Services-md
443-595LandlineSparks Glencoe, MDGlobal Crossing Local Services-md
443-596LandlineEssex, MDXo Maryland
443-597LandlineSeverna Park, MDGlobal Crossing Local Services-md
443-598LandlineSherwood Forest, MDGlobal Crossing Local Services-md
443-599LandlineBaltimore, MDGlobal Crossing Local Services-md
443-600MobileEssex, MDOmnipoint Communications Cap Operations
443-601LandlineFallston, MDCtc Communications Corp.
443-602MobileCatonsville, MDCellco Partnership DBA Verizon Wireless
443-603LandlineAnnapolis, MDPaetec Communications
443-604MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-605LandlineWestminster, MDCavalier Telephone Mid-atlantic
443-606LandlineFork, MDCtc Communications Corp.
443-607LandlineWest River, MDCavalier Telephone Mid-atlantic
443-608MobileTowson, MDLeap Wireless Intl DBA Cricket Comm
443-609LandlineSykesville, MDCavalier Telephone Mid-atlantic
443-610MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-612LandlineCatonsville, MDVerizon Maryland
443-613MobileTowson, MDLeap Wireless Intl DBA Cricket Comm
443-614MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-615MobileCatonsville, MDCellco Partnership DBA Verizon Wireless
443-616LandlineBel Air, MDCavalier Telephone Mid-atlantic
443-617MobileFallston, MDCellco Partnership DBA Verizon Wireless
443-618MobileGlen Burnie, MDCellco Partnership DBA Verizon Wireless
443-619MobileBel Air, MDCellco Partnership DBA Verizon Wireless
443-620LandlineBaltimore, MDTeleport Communications America
443-621MobileBaltimore, MDSprint Spectrum L.p.
443-622MobileBaltimore, MDSprint Spectrum L.p.
443-623MobileGlen Burnie, MDSprint Spectrum L.p.
443-624MobilePrince Frederick, MDCellco Partnership DBA Verizon Wireless
443-625LandlineFork, MDBroadwing Communications. LLC
443-626LandlineMiddle River, MDCavalier Telephone Mid-atlantic
443-627LandlineBaltimore, MDVerizon Maryland
443-628LandlineGlen Burnie, MDXo Maryland
443-629MobileBaltimore, MDSprint Spectrum L.p.
443-630MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-631MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-632LandlineTowson, MDUs Lec Of Maryland
443-633MobileBaltimore, MDSprint Spectrum L.p.
443-634LandlineOdenton, MDVerizon Maryland
443-635MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-636LandlineCatonsville, MDOmnipoint Communications Cap Operations
443-637LandlineBaltimore, MDXo Maryland
443-638LandlineEllicott City, MDGlobal Naps South
443-639LandlineHampstead, MDCtc Communications Corp.
443-640LandlineBel Air, MDUs Lec Of Maryland
443-641LandlinePikesville, MDBroadwing Communications. LLC
443-642MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-643LandlineBel Air, MDVerizon Maryland
443-644LandlineJarrettsville, MDCtc Communications Corp.
443-645LandlineMillersville, MDCtc Communications Corp.
443-646LandlineNorth Beach, MDCtc Communications Corp.
443-647LandlineNew Windsor, MDCtc Communications Corp.
443-648LandlineBaltimore, MDTeleport Communications America
443-649LandlineSparrows Point, MDUs Lec Of Maryland
443-650LandlineReisterstown, MDAllegiance Telecom
443-651MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-652LandlineTowson, MDVerizon Maryland
443-653MobileBaltimore, MDOmnipoint Communications Cap Operations
443-654LandlineJessup, MDVerizon Maryland
443-655MobileBel Air, MDNew Cingular Wireless PCS - DC
443-656LandlineColumbia, MDCavalier Telephone Mid-atlantic
443-657LandlineRandallstown, MDTw Telecom Of Maryland LLC
443-658LandlineWoodlawn, MDGlobal Naps South
443-659LandlineWest River, MDGlobal Naps South
443-660LandlineBaltimore, MDComcast Phone Of Northern Maryland
443-661LandlineJessup, MDCavalier Telephone Mid-atlantic
443-662LandlineSparks Glencoe, MDCavalier Telephone Mid-atlantic
443-663LandlineWoodlawn, MDVerizon Maryland
443-664LandlineOcean City, MDCavalier Telephone (mid-atlantic)
443-665LandlineNanticoke, MDCavalier Telephone (mid-atlantic)
443-666MobileChestertown, MDLevel 3 Communications
443-668MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-669LandlineDelmar, MDCavalier Telephone (mid-atlantic)
443-670LandlineCatonsville, MDCavalier Telephone Mid-atlantic
443-671LandlineNew Windsor, MDTeleport Communications America
443-672LandlineParkton, MDTeleport Communications America
443-673LandlineBrooklyn, MDCavalier Telephone Mid-atlantic
443-674LandlineNorth East, MDTeleport Communications America
443-675LandlineRandallstown, MDCavalier Telephone (mid-atlantic)
443-676MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-677MobileBaltimore, MDSprint Spectrum L.p.
443-678LandlineParkville, MDVerizon Maryland
443-679LandlineBaltimore, MDTeleport Communications America
443-680MobileBaltimore, MDSprint Spectrum L.p.
443-681MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-682LandlineBaltimore, MDCellco Partnership DBA Verizon Wireless
443-683MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-684MobilePrince Frederick, MDCellco Partnership DBA Verizon Wireless
443-685LandlineSevern, MDCavalier Telephone (mid-atlantic)
443-686MobileFallston, MDSprint Spectrum L.p.
443-687MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-688LandlineSevern, MDCavalier Telephone Mid-atlantic
443-689LandlineCockeysville, MDCavalier Telephone Mid-atlantic
443-690MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-691MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-692LandlineBaltimore, MDAllegiance Telecom
443-693LandlinePerryville, MDTeleport Communications America
443-694MobileSeverna Park, MDSprint Spectrum L.p.
443-695MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-696LandlineDundalk, MDCavalier Telephone Mid-atlantic
443-697LandlineCatonsville, MDGlobal Naps South
443-698LandlineOdenton, MDTeleport Communications America
443-699MobileAnnapolis, MDCellco Partnership DBA Verizon Wireless
443-701LandlineArbutus, MDXo Maryland
443-702LandlinePasadena, MDCavalier Telephone Mid-atlantic
443-703LandlineBaltimore, MDXo Maryland
443-704LandlineOdenton, MDCavalier Telephone Mid-atlantic
443-705LandlineCockeysville, MDXo Maryland
443-706LandlineCrisfield, MDCavalier Telephone (mid-atlantic)
443-707Local Access LLC
443-708LandlineBaltimore, MDTw Telecom Of Maryland LLC
443-709LandlineArbutus, MDCavalier Telephone Mid-atlantic
443-710LandlineBaltimore, MDXo Maryland
443-712LandlineReisterstown, MDCavalier Telephone Mid-atlantic
443-713MobileColumbia, MDPeerless Network Of Maryland
443-714LandlineColumbia, MDSprint Spectrum L.p.
443-715LandlineNorth East, MDCavalier Telephone (mid-atlantic)
443-716LandlineAnnapolis, MDCavalier Telephone Mid-atlantic
443-717MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-718LandlineColumbia, MDUs Lec Of Maryland
443-719LandlineJarrettsville, MDCavalier Telephone Mid-atlantic
443-720LandlineElkton, MDXo Maryland
443-721MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-722MobileBaltimore, MDOmnipoint Communications Cap Operations
443-723LandlineBrooklyn, MDSprint Spectrum L.p.
443-724LandlineEaston, MDCavalier Telephone (mid-atlantic)
443-725LandlineBaltimore, MDPaetec Communications
443-726LandlineTowson, MDSprint Spectrum L.p.
443-727LandlineBishopville, MDCavalier Telephone (mid-atlantic)
443-728LandlineBerlin, MDCavalier Telephone (mid-atlantic)
443-729LandlineBaltimore, MDPaetec Communications
443-730LandlineBaltimore, MDPaetec Communications
443-731LandlinePort Deposit, MDTeleport Communications America
443-732LandlineWestminster, MDTeleport Communications America
443-733LandlineBaltimore, MDAT&T Local
443-734LandlineSevern, MDVerizon Maryland
443-735MobileSalisbury, MDNew Cingular Wireless PCS - DC
443-736MobileSalisbury, MDNew Cingular Wireless PCS - DC
443-737LandlineBaltimore, MDPaetec Communications
443-738LandlineBaltimore, MDPaetec Communications
443-739MobileBaltimore, MDOmnipoint Communications Cap Operations
443-740LandlineBaltimore, MDTelcove Operations
443-741LandlineColumbia, MDMci Worldcom Communications
443-742MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-743MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-744MobileReisterstown, MDSprint Spectrum L.p.
443-745MobileColumbia, MDCellco Partnership DBA Verizon Wireless
443-746LandlineEaston, MDLevel 3 Communications
443-747LandlinePort Deposit, MDCore Communications
443-748LandlineMillersville, MDCavalier Telephone Mid-atlantic
443-749LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-750MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-751LandlineWoodlawn, MDCavalier Telephone Mid-atlantic
443-752LandlineBel Air, MDCellco Partnership DBA Verizon Wireless
443-753LandlineJessup, MDAllegiance Telecom
443-754MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-755LandlineElkridge, MDVerizon Maryland
443-756MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-757LandlineElkridge, MDCavalier Telephone Mid-atlantic
443-758LandlineAnnapolis, MDAT&T Local
443-759MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-760LandlineAberdeen, MDAT&T Local
443-761MobileTowson, MDOmnipoint Communications Cap Operations
443-762MobileBaltimore, MDSprint Spectrum L.p.
443-763LandlineBaltimore, MDOmnipoint Communications Cap Operations
443-764MobileGlen Burnie, MDOmnipoint Communications Cap Operations
443-765MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-766LandlineColumbia, MDUs Lec Of Maryland
443-767LandlineReisterstown, MDCavalier Telephone Mid-atlantic
443-768MobileBaltimore, MDSprint Spectrum L.p.
443-769MobileBaltimore, MDOmnipoint Communications Cap Operations
443-770LandlinePasadena, MDVerizon Maryland
443-771MobilePrince Frederick, MDCellco Partnership DBA Verizon Wireless
443-772LandlineEssex, MDCavalier Telephone Mid-atlantic
443-773LandlineBaltimore, MDAllegiance Telecom
443-774LandlineBaltimore, MDGlobal Naps South
443-776LandlineBaltimore, MDBandwidth.com Clec
443-777LandlineEssex, MDVerizon Maryland
443-778LandlineLaurel, MDVerizon Maryland
443-779LandlineAberdeen, MDXo Maryland
443-780LandlineColumbia, MDUs Lec Of Maryland
443-781LandlinePasadena, MDXo Maryland
443-782LandlineAnnapolis, MDXo Maryland
443-783MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-784LandlineBaltimore, MDTeleport Communications America
443-785LandlineArbutus, MDGlobal Naps South
443-786MobileEaston, MDCellco Partnership DBA Verizon Wireless
443-787LandlineBel Air, MDCtc Communications Corp.
443-788LandlineAberdeen, MDXo Maryland
443-789MobileWestminster, MDNew Cingular Wireless PCS - DC
443-790MobileGlen Burnie, MDSprint Spectrum L.p.
443-791MobileTowson, MDNew Cingular Wireless PCS - DC
443-792LandlineBrooklyn, MDVerizon Maryland
443-793LandlineBaltimore, MDXo Maryland
443-794MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-795LandlineBaltimore, MDXo Maryland
443-796LandlineBaltimore, MDXo Maryland
443-797LandlineBaltimore, MDXo Maryland
443-798LandlineTowson, MDTw Telecom Of Maryland LLC
443-799MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-800MobileBaltimore, MDSprint Spectrum L.p.
443-801MobileBaltimore, MDSprint Spectrum L.p.
443-802MobileBaltimore, MDSprint Spectrum L.p.
443-803MobileBaltimore, MDSprint Spectrum L.p.
443-804MobileBaltimore, MDSprint Spectrum L.p.
443-805MobileGlen Burnie, MDOmnipoint Communications Cap Operations
443-806MobileBaltimore, MDSprint Spectrum L.p.
443-807MobileFallston, MDSprint Spectrum L.p.
443-808LandlineAnnapolis, MDBandwidth.com Clec
443-809Level 3 Communications
443-810MobileBaltimore, MDSprint Spectrum L.p.
443-812MobileColumbia, MDCellco Partnership DBA Verizon Wireless
443-813MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-814MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-815LandlineBaltimore, MDXo Maryland
443-816LandlineSeverna Park, MDAllegiance Telecom
443-817LandlineBaltimore, MDAllegiance Telecom
443-818LandlinePasadena, MDLevel 3 Communications
443-820LandlineBaltimore, MDPaetec Communications
443-821MobileWestminster, MDSprint Spectrum L.p.
443-822MobileAnnapolis, MDSprint Spectrum L.p.
443-823MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-824MobileTowson, MDOmnipoint Communications Cap Operations
443-825MobileBaltimore, MDOmnipoint Communications Cap Operations
443-826MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-827MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-828LandlineEllicott City, MDCavalier Telephone Mid-atlantic
443-829MobileBaltimore, MDSprint Spectrum L.p.
443-830LandlineCatonsville, MDCavalier Telephone Mid-atlantic
443-831MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-832LandlineBaltimore, MDLevel 3 Communications
443-833LandlineArbutus, MDUs Lec Of Maryland
443-834LandlineTowson, MDCavalier Telephone Mid-atlantic
443-835MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-836LandlineBaltimore, MDXo Maryland
443-837LandlineAnnapolis, MDUs Lec Of Maryland
443-838MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-839MobileBaltimore, MDOmnipoint Communications Cap Operations
443-840MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-841LandlineBaltimore, MDVerizon Maryland
443-842MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-843LandlineHavre De Grace, MDVerizon Maryland
443-844MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-845MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-846LandlineTowson, MDNew Cingular Wireless PCS - DC
443-847MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-848LandlineBaltimore, MDSprint Spectrum L.p.
443-849LandlineTowson, MDVerizon Maryland
443-850MobileBaltimore, MDOmnipoint Communications Cap Operations
443-851MobileCatonsville, MDOmnipoint Communications Cap Operations
443-852MobileAnnapolis, MDNew Cingular Wireless PCS - DC
443-853MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-854MobileBaltimore, MDOmnipoint Communications Cap Operations
443-855LandlineAberdeen, MDLightwave Communications
443-856LandlineOcean City, MDCore Communications
443-857MobileBaltimore, MDOmnipoint Communications Cap Operations
443-858MobileBaltimore, MDOmnipoint Communications Cap Operations
443-859MobileSalisbury, MDOmnipoint Communications Cap Operations
443-860MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-861LandlineAberdeen, MDVerizon Maryland
443-862MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-863MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-864MobileColumbia, MDSprint Spectrum L.p.
443-865MobileBaltimore, MDSprint Spectrum L.p.
443-866MobileBel Air, MDSprint Spectrum L.p.
443-867LandlineGlen Burnie, MDPaetec Communications
443-868LandlineBaltimore, MDVerizon Maryland
443-869MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-870LandlinePikesville, MDTw Telecom Of Maryland LLC
443-871MobileAnnapolis, MDSprint Spectrum L.p.
443-872LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-873LandlinePikesville, MDBroadvox-clec
443-874LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-875LandlineAnnapolis, MDNew Cingular Wireless PCS - DC
443-876LandlineBel Air, MDSprint Spectrum L.p.
443-877LandlineNorth East, MDLevel 3 Communications
443-878LandlineBaltimore, MDCellco Partnership DBA Verizon Wireless
443-879LandlineBaltimore, MDVerizon Maryland
443-880LandlineSalisbury, MDAT&T Local
443-881MobileReisterstown, MDSprint Spectrum L.p.
443-882MobileBaltimore, MDSprint Spectrum L.p.
443-883LandlineBaltimore, MDAT&T Local
443-884LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-885LandlineBaltimore, MDVerizon Maryland
443-886LandlineBaltimore, MDAT&T Local
443-887LandlineHarmans, MDCavalier Telephone Mid-atlantic
443-888LandlinePrincess Anne, MDCavalier Telephone (mid-atlantic)
443-889MobileGlen Burnie, MDOmnipoint Communications Cap Operations
443-890MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-891LandlineBaltimore, MDXo Maryland
443-892LandlineNew Windsor, MDBandwidth.com Clec
443-893LandlineBaltimore, MDXo Maryland
443-894MobileBaltimore, MDSprint Spectrum L.p.
443-895MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-896LandlineBaltimore, MDAT&T Local
443-897MobileBaltimore, MDLeap Wireless Intl DBA Cricket Comm
443-898LandlinePikesville, MDLevel 3 Communications
443-899LandlineElkridge, MDBroadwing Communications. LLC
443-900MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-901LandlineTowson, MDCavalier Telephone Mid-atlantic
443-902MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-903MobileBel Air, MDCellco Partnership DBA Verizon Wireless
443-904MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-905MobileAnnapolis, MDSprint Spectrum L.p.
443-906LandlineSeverna Park, MDPeerless Network Of Maryland
443-907MobileElkton, MDCellco Partnership DBA Verizon Wireless
443-908MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-909MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-910MobileBel Air, MDNew Cingular Wireless PCS - DC
443-912LandlineTowson, MDCore Communications
443-913MobileBaltimore, MDSprint Spectrum L.p.
443-914LandlineReisterstown, MDTeleport Communications America
443-915MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-916MobileBaltimore, MDSprint Spectrum L.p.
443-917MobileColumbia, MDBroadvox-clec
443-918LandlineTaneytown, MDTeleport Communications America
443-919LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-920LandlineSykesville, MDTeleport Communications America
443-921LandlineBaltimore, MDPaetec Communications
443-922LandlineEdgewood, MDAtx Telecommunications Services, Ltd
443-923LandlineBaltimore, MDCavalier Telephone Mid-atlantic
443-924MobileAnnapolis, MDCellco Partnership DBA Verizon Wireless
443-925MobileBaltimore, MDOmnipoint Communications Cap Operations
443-926LandlineAnnapolis, MDBroadwing Communications. LLC
443-927LandlineBaltimore, MDBroadwing Communications. LLC
443-928MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-929MobilePikesville, MDOmnipoint Communications Cap Operations
443-930MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-931LandlineBaltimore, MDMci Worldcom Communications
443-932MobileBaltimore, MDSprint Spectrum L.p.
443-933LandlineCockeysville, MDTeleport Communications America
443-934MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-935MobileTowson, MDNew Cingular Wireless PCS - DC
443-937LandlineUnion Bridge, MDTeleport Communications America
443-938MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-939MobileBaltimore, MDOmnipoint Communications Cap Operations
443-940LandlinePikesville, MDCavalier Telephone Mid-atlantic
443-941MobileElkton, MDNew Cingular Wireless PCS - DC
443-942LandlineSeverna Park, MDTeleport Communications America
443-943LandlineBaltimore, MDTeleport Communications America
443-944LandlineSalisbury, MDComcast Phone Of Northern Maryland
443-945MobileElkton, MDNew Cingular Wireless PCS - DC
443-946LandlineParkville, MDXo Maryland
443-947LandlinePerryville, MDCtc Communications Corp.
443-948MobileBaltimore, MDSprint Spectrum L.p.
443-949LandlineAnnapolis, MDComcast Phone Of Northern Maryland
443-951LandlineAnnapolis, MDGlobal Crossing Local Services-md
443-952MobileWestminster, MDCellco Partnership DBA Verizon Wireless
443-953MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-954LandlineBaltimore, MDPaetec Communications
443-955MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-956MobileBaltimore, MDNew Cingular Wireless PCS - DC
443-957LandlineBaltimore, MDAT&T Local
443-960MobileGlen Burnie, MDCellco Partnership DBA Verizon Wireless
443-962MobileGlen Burnie, MDCellco Partnership DBA Verizon Wireless
443-963MobileBaltimore, MDHalo Wireless Services
443-964LandlineNorth Beach, MDLevel 3 Communications
443-965MobileBaltimore, MDSprint Spectrum L.p.
443-966MobileFallston, MDCellco Partnership DBA Verizon Wireless
443-967LandlineNorth East, MDVerizon Maryland
443-968MobilePrince Frederick, MDNew Cingular Wireless PCS - DC
443-969LandlineEssex, MDCavalier Telephone Mid-atlantic
443-970MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-971LandlineTaneytown, MDBandwidth.com Clec
443-972MobileCambridge, MDUs Lec Of Maryland
443-973LandlineBaltimore, MDXo Maryland
443-974LandlineWestminster, MDTeleport Communications America
443-975MobilePrince Frederick, MDNew Cingular Wireless PCS - DC
443-976Baltimore-washington Telephone (bwt)
443-977MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-978MobileSalisbury, MDCellco Partnership DBA Verizon Wireless
443-979MobileColumbia, MDCellco Partnership DBA Verizon Wireless
443-980MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-981MobileFallston, MDCellco Partnership DBA Verizon Wireless
443-982LandlineBaltimore, MDYmax Communications Corp.
443-983MobileBaltimore, MDOmnipoint Communications Cap Operations
443-984LandlineBaltimore, MDVerizon Maryland
443-985MobileRandallstown, MDOmnipoint Communications Cap Operations
443-986MobileBaltimore, MDCellco Partnership DBA Verizon Wireless
443-987LandlineBel Air, MDAT&T Local
443-988LandlineCentreville, MDLevel 3 Communications
443-989LandlineGlen Burnie, MDCavalier Telephone Mid-atlantic
443-990LandlineBaltimore, MDBandwidth.com Clec
443-991MobileTowson, MDCellco Partnership DBA Verizon Wireless
443-992LandlineBaltimore, MDLevel 3 Communications
443-993MobileElkton, MDMetro PCS
443-994MobileAnnapolis, MDNew Cingular Wireless PCS - DC
443-995MobileAnnapolis, MDNew Cingular Wireless PCS - DC
443-996MobileCatonsville, MDNew Cingular Wireless PCS - DC
443-997LandlineBaltimore, MDVerizon Maryland
443-998LandlineParkville, MDVerizon Maryland