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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
443-597 A Severna Park MD   5562 METROPCS, INC. 238      
443-597 0 Severna Park MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-03   
443-597 1 Severna Park MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-03   
443-597 2 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 3 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 5 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-06-20   
443-597 6 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 7 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 8 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2006-08-14   
443-597 9 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2005-06-05   
443-598 A Sherwood Forest MD   071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-598 2 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-09-06   
443-598 3 Sherwood Forest MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-598 5 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-10-17   
443-598 6 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-09-08   
443-598 7 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-03-30   
443-598 8 Sherwood Forest MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-598 9 Sherwood Forest MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-599 A Severn MD   5562 METROPCS, INC. 238      
443-599 0 Severn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-08   
443-599 1 Severn MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-10-12   
443-599 2 Severn MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
443-599 3 Severn MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
443-599 4 Severn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-09   
443-599 5 Severn MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2020-09-06   
443-599 6 Severn MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2015-02-01   
443-599 7 Severn MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-599 8 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-599 9 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-600 A Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 0 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 1 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 2 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-15   
443-600 3 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-08-13   
443-600 4 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-09   
443-600 5 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-21   
443-600 6 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 7 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-03-30   
443-600 8 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-05-06   
443-600 9 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-601 A Fallston MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-601 0 Fallston MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 1 Fallston MD   829J PAETEC ITEL, LLC 238      
443-601 2 Fallston MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 3 Fallston MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-23   
443-601 4 Fallston MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-23   
443-601 5 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-08-07   
443-601 6 Fallston MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 7 Fallston MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-601 8 Fallston MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-25   
443-601 9 Fallston MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-04-26   
443-602 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-602 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-04-08   
443-602 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 3 Baltimore MD   829J PAETEC ITEL, LLC 238   2007-05-01   
443-602 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 5 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-602 6 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-602 7 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-06-09   
443-602 8 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-09-11   
443-602 9 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-12-04   
443-603 A Annapolis MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-603 0 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-603 1 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-603 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-603 3 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-603 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 5 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 9 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-604 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-605 A Westminster MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-605 0 Westminster MD   829J PAETEC ITEL, LLC 238      
443-605 1 Westminster MD   829J PAETEC ITEL, LLC 238      
443-605 2 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-02   
443-605 3 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
443-605 4 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-605 5 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 6 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 7 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-605 8 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   
443-605 9 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   
443-606 A Fork MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-606 0 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-10-18   
443-606 1 Fork MD   829J PAETEC ITEL, LLC 238      
443-606 2 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-10-18   
443-606 3 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-10-18   
443-606 4 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-10-18   
443-606 6 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-11-27   
443-606 8 Fork MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-25   
443-606 9 Fork MD   515J IP HORIZON LLC 238   2015-03-21   
443-607 A West River MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-607 0 West River MD   829J PAETEC ITEL, LLC 238      
443-607 1 West River MD   829J PAETEC ITEL, LLC 238   2003-03-02   
443-607 2 West River MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-607 3 West River MD   829J PAETEC ITEL, LLC 238   2014-07-21   
443-607 4 West River MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-08-09   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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