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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-324 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-324 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-325 A Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 0 Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 1 Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 2 Ellicott City MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-325 3 Ellicott City MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-325 4 Ellicott City MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-325 5 Ellicott City MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-325 6 Ellicott City MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-325 7 Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 8 Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 9 Ellicott City MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-326 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-327 A Aberdeen MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
443-327 0 Aberdeen MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
443-327 1 Aberdeen MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 236      
443-327 2 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-327 3 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-327 4 Aberdeen MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-327 5 Aberdeen MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-327 6 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236      
443-327 7 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236      
443-327 8 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236      
443-327 9 Aberdeen MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236      
443-328 A Sykesville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-328 0 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-328 1 Sykesville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-328 2 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-328 3 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-328 4 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-328 5 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-328 6 Sykesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-328 7 Sykesville MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-328 8 Sykesville MD   515J IP HORIZON LLC 238      
443-328 9 Sykesville MD   515J IP HORIZON LLC 238      
443-329 A Waterloo (Washington DC LATA) MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
443-329 1 Waterloo (Washington DC LATA) MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
443-329 2 Waterloo (Washington DC LATA) MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-329 3 Waterloo (Washington DC LATA) MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236      
443-329 4 Waterloo (Washington DC LATA) MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-329 5 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
443-329 6 Waterloo (Washington DC LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
443-329 7 Waterloo (Washington DC LATA) MD   2593 CORE COMMUNICATIONS, INC.- MD 236      
443-329 8 Waterloo (Washington DC LATA) MD WASHDC127MD  073H TELNYX LLC 236      
443-329 9 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
443-330 A Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 0 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 1 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 2 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-330 3 Cockeysville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-330 4 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 5 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-330 6 Cockeysville MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-330 7 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-330 8 Cockeysville MD MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
443-330 9 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-331 A Taneytown MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-331 0 Taneytown MD   145J TERRA NOVA TELECOM INC. 238      
443-331 1 Taneytown MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-331 2 Taneytown MD   876D ONVOY, LLC - MD 238      
443-331 3 Taneytown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-331 4 Taneytown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-331 5 Taneytown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-331 7 Taneytown MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-331 8 Taneytown MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-331 9 Taneytown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-332 A Crofton MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-332 0 Crofton MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-332 1 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-332 2 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-332 3 Crofton MD   876D ONVOY, LLC - MD 238      
443-332 4 Crofton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-332 5 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-332 6 Crofton MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-332 7 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-332 8 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-332 9 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-333 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-333 0 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-333 1 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-333 2 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-333 3 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-333 4 Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-333 5 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-333 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-333 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-333 8 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-333 9 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-334 A Pikesville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-334 0 Pikesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-334 1 Pikesville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-334 2 Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
443-334 3 Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
443-334 4 Pikesville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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