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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
443-500 9 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-501 A Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-501 0 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-501 1 Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-501 2 Pikesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-501 3 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-501 4 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-501 5 Pikesville MD   145J TERRA NOVA TELECOM INC. 238      
443-501 6 Pikesville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-501 7 Pikesville MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-501 8 Pikesville MD BLTMMDCHDMD  551G NUSO, LLC 238      
443-501 9 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-502 A Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-502 0 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-502 1 Havre de Grace MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-502 2 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-502 3 Havre de Grace MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-502 5 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-502 6 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-502 7 Havre de Grace MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-502 8 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-502 9 Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-503 A Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-503 0 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-503 1 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-503 2 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-503 3 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-503 4 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-503 5 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-503 6 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-503 7 Dundalk MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-503 8 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-503 9 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-504 A Fallston MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 0 Fallston MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 1 Fallston MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-504 2 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 3 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 4 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 5 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 6 Fallston MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-504 7 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 8 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-504 9 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-505 A Essex MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-505 2 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-505 3 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-505 4 Essex MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-505 6 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-505 7 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-505 8 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-505 9 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-506 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-507 A Hampstead MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-507 0 Hampstead MD HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
443-507 1 Hampstead MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-507 2 Hampstead MD   145J TERRA NOVA TELECOM INC. 238      
443-507 3 Hampstead MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-507 4 Hampstead MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
443-507 5 Hampstead MD HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
443-507 6 Hampstead MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-507 7 Hampstead MD   145J TERRA NOVA TELECOM INC. 238      
443-507 8 Hampstead MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-507 9 Hampstead MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-508 A Hampstead MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 0 Hampstead MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 1 Hampstead MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-508 2 Hampstead MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-508 3 Hampstead MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-508 4 Hampstead MD HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
443-508 5 Hampstead MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-508 6 Hampstead MD   145J TERRA NOVA TELECOM INC. 238      
443-508 7 Hampstead MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-508 8 Hampstead MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-508 9 Hampstead MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-509 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-509 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-509 1 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 2 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 3 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 4 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 5 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 6 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 7 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 8 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-509 9 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-510 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-510 0 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-510 1 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-510 2 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      

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

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