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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
443-910 4 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-910 5 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-910 6 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-910 7 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-910 8 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-910 9 Bel Air MD   515J IP HORIZON LLC 238      
443-912 A Towson MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-912 0 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 1 Towson MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-912 2 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 3 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 5 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-912 6 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 8 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-912 9 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-913 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-913 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 1 Baltimore MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-913 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 7 Baltimore MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-913 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-913 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-914 A Worthington MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-914 0 Worthington MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-914 1 Worthington MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-914 2 Worthington MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-914 3 Worthington MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-914 4 Worthington MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-914 5 Worthington MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-914 6 Worthington MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-914 7 Worthington MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-914 8 Worthington MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-914 9 Worthington MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-915 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 3 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 5 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 6 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 7 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 8 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-915 9 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-916 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-916 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 6 Baltimore MD   624H ONVOY SPECTRUM, LLC 238      
443-916 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-916 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-917 A Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-917 0 Columbia MD   515J IP HORIZON LLC 238      
443-917 1 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-917 2 Columbia MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-917 3 Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-917 4 Columbia MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-917 5 Columbia MD   145J TERRA NOVA TELECOM INC. 238      
443-917 6 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-917 7 Columbia MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-917 8 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-917 9 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-918 A Taneytown MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-918 0 Taneytown MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-918 1 Taneytown MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-918 2 Taneytown MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-918 3 Taneytown MD PIVLMDPKFMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238      
443-918 4 Taneytown MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-918 5 Taneytown MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-918 6 Taneytown MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-918 7 Taneytown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-918 8 Taneytown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-918 9 Taneytown MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-919 A Baltimore MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-920 A Sykesville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-920 0 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 1 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 2 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 3 Sykesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-920 4 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 5 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-920 6 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-920 7 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-920 8 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-920 9 Sykesville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-921 A Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 0 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 1 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 2 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 3 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      

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

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