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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
443-972 A Cambridge MD SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242      
443-972 0 Cambridge MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-04-12   
443-972 1 Cambridge MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-04-12   
443-972 2 Cambridge MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-07-31   
443-972 4 Cambridge MD   2589 US LEC OF MARYLAND, INC. 242   2012-08-15   
443-972 5 Cambridge MD   876D ONVOY, LLC - MD 242   2017-04-13   
443-972 6 Cambridge MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-07-31   
443-972 7 Cambridge MD   228C IDT AMERICA CORP - MD 242   2018-01-14   
443-972 9 Cambridge MD   073H TELNYX LLC 242   2017-10-19   
443-973 A Ellicott City MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-973 0 Ellicott City MD   4773 XO MARYLAND, LLC 238   2010-04-04   
443-973 1 Ellicott City MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-10-18   
443-973 2 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-03-21   
443-973 3 Ellicott City MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-973 4 Ellicott City MD   876D ONVOY, LLC - MD 238   2014-09-05   
443-973 5 Ellicott City MD   876D ONVOY, LLC - MD 238   2014-10-17   
443-973 6 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-973 7 Ellicott City MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-973 8 Ellicott City MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-973 9 Ellicott City MD   4773 XO MARYLAND, LLC 238   2001-11-19   
443-974 A Westminster MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-974 0 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-03-05   
443-974 1 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-01   
443-974 2 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-19   
443-974 3 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-19   
443-974 4 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-10-03   
443-974 5 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-23   
443-974 6 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-11-02   
443-974 7 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-01-02   
443-974 8 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-02-02   
443-974 9 Westminster MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-975 A Prince Frederick MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-975 0 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-975 1 Prince Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-01-02   
443-975 2 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-01   
443-975 3 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-03-05   
443-975 4 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-05-03   
443-975 5 Prince Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-10-10   
443-975 6 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-975 7 Prince Frederick MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-01-19   
443-975 8 Prince Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-11-15   
443-975 9 Prince Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-01-11   
443-976 A Crofton MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-977 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-12-07   
443-977 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-12-07   
443-977 1 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2007-10-22   
443-977 2 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2007-10-22   
443-977 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2007-10-22   
443-977 4 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-12-08   
443-977 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2007-10-22   

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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