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
443-391 0 Cockeysville MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-391 1 Cockeysville MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-391 2 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2013-05-01   
443-391 3 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2013-05-15   
443-391 4 Cockeysville MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-391 5 Cockeysville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-391 6 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2013-06-01   
443-391 7 Cockeysville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-08-21   
443-391 8 Cockeysville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-391 9 Cockeysville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-392 A Baltimore MD BLTMMDCHDS6  7421 AT&T LOCAL 238      
443-392 0 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 1 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 2 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2005-03-20   
443-392 4 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2003-10-11   
443-392 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2004-06-10   
443-392 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2004-06-18   
443-392 9 Baltimore MD   7421 AT&T LOCAL 238      
443-393 A Columbia MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-393 0 Columbia MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-393 1 Columbia MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-393 2 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
443-393 3 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
443-393 4 Columbia MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-393 5 Columbia MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-393 6 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-08   
443-393 7 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-04-03   
443-393 8 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-393 9 Columbia MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-394 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
443-395 A Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 0 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 1 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 2 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 3 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 4 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 5 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 6 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 7 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 8 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 9 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-396 A Odenton MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-396 0 Odenton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-396 1 Odenton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-396 2 Odenton MD   876D ONVOY, LLC - MD 238   2012-10-07   
443-396 3 Odenton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-03-07   
443-396 4 Odenton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      

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

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