Local Calling Guide

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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
443-741 0 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2011-08-08   
443-741 1 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-741 2 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-20   
443-741 3 Columbia MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2011-05-13   
443-741 4 Columbia MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2012-05-05   
443-741 5 Columbia MD   5562 METRO PCS, INC. 238   2013-06-14   
443-741 6 Columbia MD   5562 METRO PCS, INC. 238   2013-06-14   
443-741 7 Columbia MD   5562 METRO PCS, INC. 238   2014-08-01   
443-741 8 Columbia MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-741 9 Columbia MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-742 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-743 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-05-29   
443-743 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-05-29   
443-743 1 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238   2008-07-09   
443-743 2 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-07-18   
443-743 3 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-07-18   
443-743 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-08-18   
443-743 5 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-08-18   
443-743 6 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-08-18   
443-743 7 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-08-18   
443-743 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-08-18   
443-743 9 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-07-03   
443-744 A Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 0 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 1 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 2 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 3 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 4 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 5 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 6 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 7 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-744 8 Reisterstown MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2017-01-20   
443-744 9 Reisterstown MD   6664 SPRINT SPECTRUM L.P. 238      
443-745 A Columbia MD BLTMMDCH05Z  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-746 A Easton MD SLBRMDSBUMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 0 Easton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2010-02-20   
443-746 2 Easton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-10-23   
443-746 3 Easton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 4 Easton MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2015-09-01   
443-746 5 Easton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-746 6 Easton MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-746 7 Easton MD   876D ONVOY, LLC - MD 242   2020-04-30   
443-746 8 Easton MD   876D ONVOY, LLC - MD 242   2020-04-30   
443-747 A Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-747 0 Port Deposit MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-747 1 Port Deposit MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-18   
443-747 2 Port Deposit MD   2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-747 3 Port Deposit MD   2593 CORE COMMUNICATIONS, INC. - MD 238      
443-747 4 Port Deposit MD   228C IDT AMERICA CORP - MD 238   2012-01-08   
443-747 5 Port Deposit MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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