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
443-939 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-939 2 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-08-09   
443-939 3 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-01-11   
443-939 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 5 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 6 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 7 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-27   
443-939 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-27   
443-939 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-940 A Pikesville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-941 A Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-941 0 Elkton MD   876D ONVOY, LLC - MD 238   2012-10-07   
443-941 1 Elkton MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-941 2 Elkton MD   228C IDT AMERICA CORP - MD 238   2012-01-08   
443-941 4 Elkton MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-03-01   
443-941 5 Elkton MD   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. 238   2016-03-29   
443-941 6 Elkton MD   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. 238   2015-04-12   
443-941 7 Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-941 8 Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-941 9 Elkton MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-942 A Severna Park MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-942 0 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2007-06-27   
443-942 1 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2007-06-27   
443-942 2 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2007-06-27   
443-942 3 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2007-06-27   
443-942 4 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2010-12-27   
443-942 5 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2010-12-27   
443-942 6 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-942 7 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-942 8 Severna Park MD   6664 SPRINT SPECTRUM L.P. 238   2008-02-22   
443-942 9 Severna Park MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-943 A Sparrows Point MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-943 0 Sparrows Point MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-943 1 Sparrows Point MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-943 2 Sparrows Point MD   5562 METRO PCS, INC. 238   2013-06-14   
443-943 3 Sparrows Point MD   5562 METRO PCS, INC. 238   2013-06-14   
443-943 4 Sparrows Point MD   5562 METRO PCS, INC. 238   2014-07-04   
443-943 5 Sparrows Point MD   5562 METRO PCS, INC. 238   2014-10-04   
443-943 6 Sparrows Point MD   5562 METRO PCS, INC. 238   2014-12-19   
443-943 7 Sparrows Point MD   5562 METRO PCS, INC. 238   2015-03-06   
443-943 8 Sparrows Point MD   082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-943 9 Sparrows Point MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-944 A Salisbury MD SLBRMDSBXHX  107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 242   2006-07-30   
443-944 0 Salisbury MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 242   2006-07-30   
443-944 1 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2006-11-02   
443-944 2 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2006-11-02   
443-944 3 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-01-02   
443-944 4 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-02-02   
443-944 5 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-04-02   
443-944 6 Salisbury MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-05-03   

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

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