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
443-796 4 Pikesville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-796 5 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-03-11   
443-796 6 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-11-24   
443-796 7 Pikesville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-796 8 Pikesville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-08-14   
443-796 9 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-797 A Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-797 0 Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-797 1 Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-797 2 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-02   
443-797 3 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-02   
443-797 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-797 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-797 6 Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-08-14   
443-797 7 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-07-02   
443-797 8 Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-797 9 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-798 A Towson MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-798 0 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 1 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 2 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
443-798 3 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-08   
443-798 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-798 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-798 6 Towson MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-08-14   
443-798 7 Towson MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2007-08-28   
443-798 8 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 9 Towson MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-799 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-800 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-800 0 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-29   
443-800 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-11   
443-800 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-11   
443-800 3 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-11   
443-800 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-11   
443-800 5 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-11   
443-800 6 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-28   
443-800 7 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-28   
443-800 8 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-28   
443-800 9 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-28   
443-801 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-802 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-803 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-804 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-805 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-805 0 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-10-24   
443-805 1 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-14   
443-805 2 Glen Burnie MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2013-03-05   
443-805 3 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-03-23   
443-805 4 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-10-03   

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

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