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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
443-221 4 Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-221 5 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-221 6 Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-221 7 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-221 8 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-221 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-222 A Worthington MD   876D ONVOY, LLC - MD 238      
443-222 0 Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-222 1 Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-222 2 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 3 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 4 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 5 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 6 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 7 Worthington MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-222 8 Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-222 9 Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-223 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-224 A Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-224 0 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-224 1 Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-224 2 Baltimore MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-224 3 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-224 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-224 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-224 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-224 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-224 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-224 9 Baltimore MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-225 A Cambridge MD SLBRMDSC2MD  5562 METROPCS, INC. 242      
443-225 0 Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-225 1 Cambridge MD   876D ONVOY, LLC - MD 242      
443-225 2 Cambridge MD SLBRMDSC2MD  5562 METROPCS, INC. 242      
443-225 3 Cambridge MD   145J TERRA NOVA TELECOM INC. 242      
443-225 4 Cambridge MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-225 5 Cambridge MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-225 6 Cambridge MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-225 7 Cambridge MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
443-225 8 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-225 9 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-226 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-226 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-227 A Port Deposit MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-227 0 Port Deposit MD BLTMMDCHX7X  073H TELNYX LLC 238      
443-227 1 Port Deposit MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-227 2 Port Deposit MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-227 3 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-227 4 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-227 5 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-227 6 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-227 7 Port Deposit MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-227 8 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-227 9 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-228 A Chase MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-228 0 Chase MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-228 1 Chase MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-228 3 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-228 4 Chase MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-228 5 Chase MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-228 6 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-228 7 Chase MD   515J IP HORIZON LLC 238      
443-228 8 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-228 9 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
443-229 A Severna Park MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 0 Severna Park MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 1 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-229 2 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
443-229 3 Severna Park MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 4 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
443-229 6 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
443-229 7 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
443-229 8 Severna Park MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238      
443-229 9 Severna Park MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-230 A Odenton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-230 1 Odenton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-230 2 Odenton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-230 3 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-230 4 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-230 5 Odenton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-230 6 Odenton MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-230 7 Odenton MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-230 8 Odenton MD   515J IP HORIZON LLC 238      
443-230 9 Odenton MD   515J IP HORIZON LLC 238      
443-231 A Essex MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-231 0 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-231 1 Essex MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-231 2 Essex MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-231 3 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-231 4 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-231 5 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-231 6 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      

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

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