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
443-364 9 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
443-365 A Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-365 0 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-365 1 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-365 2 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2008-03-13   
443-365 3 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-12-04   
443-365 4 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-10-03   
443-365 5 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-10-03   
443-365 6 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-365 7 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2009-02-02   
443-365 8 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2013-12-09   
443-365 9 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-366 A Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-366 0 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-366 1 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-366 2 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-09-02   
443-366 3 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-366 4 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2005-05-02   
443-366 5 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2005-05-02   
443-366 6 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2005-01-18   
443-366 7 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2004-10-20   
443-366 8 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2004-11-19   
443-366 9 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-367 A Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 0 Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 1 Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2005-07-02   
443-367 2 Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 3 Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 4 Columbia MD CLMAMDJTDSA  2589 US LEC OF MARYLAND, INC. 238   2007-06-15   
443-367 5 Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 6 Columbia MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-28   
443-367 7 Columbia MD CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
443-367 8 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
443-367 9 Columbia MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-04-03   
443-368 A Westminster MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-369 A Bel Air MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-370 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-370 0 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-370 1 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-370 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-370 3 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-370 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-18   
443-370 5 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-370 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-370 7 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
443-370 8 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-20   
443-370 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
443-371 A Bel Air MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-371 0 Bel Air MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-26   
443-371 1 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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