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
443-810 0 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-810 1 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-01   
443-810 2 Baltimore MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2010-06-03   
443-810 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-01   
443-810 4 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2009-12-26   
443-810 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-01-26   
443-810 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2008-11-10   
443-810 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2008-11-10   
443-810 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2008-11-10   
443-810 9 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2008-11-10   
443-812 A Columbia MD BLTMMDCH05Z  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 0 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 1 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 2 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 3 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 4 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 5 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 6 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 7 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-812 8 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2003-08-19   
443-812 9 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2003-10-03   
443-813 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-11-05   
443-813 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-11-05   
443-813 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-14   
443-813 2 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-14   
443-813 3 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-04   
443-813 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-04   
443-813 5 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-04   
443-813 6 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-11   
443-813 7 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-11   
443-813 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-02-11   
443-813 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-04-08   
443-814 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-13   
443-814 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-13   
443-814 1 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 2 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 4 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-16   
443-814 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-814 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-814 9 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-12-23   
443-815 A Essex MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-815 0 Essex MD   4773 XO MARYLAND, LLC 238      
443-815 1 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-11-08   
443-815 2 Essex MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-815 3 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2013-10-03   
443-815 4 Essex MD   876D ONVOY, LLC - MD 238   2014-11-01   
443-815 5 Essex MD   4773 XO MARYLAND, LLC 238      

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

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