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
443-864 6 Columbia MD   6664 SPRINT SPECTRUM L.P. 238      
443-864 7 Columbia MD   6664 SPRINT SPECTRUM L.P. 238      
443-864 8 Columbia MD   6664 SPRINT SPECTRUM L.P. 238      
443-864 9 Columbia MD   6664 SPRINT SPECTRUM L.P. 238      
443-865 A Baltimore MD   6664 SPRINT SPECTRUM L.P. 238      
443-866 A Bel Air MD HNVAMDAYCM3  6664 SPRINT SPECTRUM L.P. 238      
443-867 A Glen Burnie MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-867 0 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-29   
443-867 1 Glen Burnie MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-867 2 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-12-02   
443-867 3 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2005-01-27   
443-867 4 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-02-03   
443-867 5 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2005-03-12   
443-867 6 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
443-867 7 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-07-02   
443-867 8 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
443-867 9 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2005-03-28   
443-868 A Essex MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
443-868 0 Essex MD   9212 VERIZON MARYLAND, INC. 238      
443-868 1 Essex MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-868 2 Essex MD   876D ONVOY, LLC - MD 238   2014-09-01   
443-868 3 Essex MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-868 4 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2016-04-30   
443-868 5 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2016-04-30   
443-868 6 Essex MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2011-10-21   
443-868 7 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-07-16   
443-868 8 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-03-16   
443-868 9 Essex MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-869 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-05   
443-869 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-05   
443-869 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-869 2 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-07   
443-869 3 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-07   
443-869 4 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-07   
443-869 5 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-07   
443-869 6 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2009-09-10   
443-869 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2006-09-18   
443-869 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2006-09-18   
443-869 9 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2006-09-18   
443-870 A Pikesville MD LARLMDCC1MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-870 0 Pikesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-10-10   
443-870 1 Pikesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-10-10   
443-870 2 Pikesville MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-870 3 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-15   
443-870 4 Pikesville MD   876D ONVOY, LLC - MD 238   2014-12-31   
443-870 5 Pikesville MD   876D ONVOY, LLC - MD 238   2014-12-31   
443-870 6 Pikesville MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-870 7 Pikesville MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-870 8 Pikesville MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-870 9 Pikesville MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      

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

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