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
443-765 3 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 4 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 5 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 8 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-19   
443-765 9 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-27   
443-766 A Columbia MD CLMAMDJTDSA  2589 US LEC OF MARYLAND, INC. 238   2005-07-09   
443-766 0 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-14   
443-766 1 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2005-07-09   
443-766 2 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-03   
443-766 3 Columbia MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-03   
443-766 4 Columbia MD   5562 METRO PCS, INC. 238   2015-10-01   
443-766 5 Columbia MD   5562 METRO PCS, INC. 238   2015-09-03   
443-766 6 Columbia MD   5562 METRO PCS, INC. 238   2015-11-03   
443-766 7 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2006-07-15   
443-766 8 Columbia MD   5562 METRO PCS, INC. 238   2015-10-30   
443-766 9 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-01-14   
443-767 A Worthington MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 0 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 1 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 2 Worthington MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-767 3 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 4 Worthington MD   876D ONVOY, LLC - MD 238   2012-10-08   
443-767 5 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 6 Worthington MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-767 7 Worthington MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-08   
443-767 8 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 9 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-768 A Baltimore MD HNVAMDAYCM2  6664 SPRINT SPECTRUM L.P. 238      
443-769 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-11-23   
443-769 0 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-01   
443-769 1 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238   2008-12-21   
443-769 2 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-01   
443-769 3 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-08-01   
443-769 4 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-769 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-769 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-769 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-769 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-16   
443-769 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-11-23   
443-770 A Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
443-770 0 Armiger-Gibson Island MD   9212 VERIZON MARYLAND, INC. 238      
443-770 1 Armiger-Gibson Island MD   2589 US LEC OF MARYLAND, INC. 238   2004-01-10   
443-770 2 Armiger-Gibson Island MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-770 3 Armiger-Gibson Island MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-770 4 Armiger-Gibson Island MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-10-11   
443-770 5 Armiger-Gibson Island MD   9212 VERIZON MARYLAND, INC. 238   2005-12-14   
443-770 6 Armiger-Gibson Island MD   876D ONVOY, LLC - MD 238   2014-09-05   
443-770 7 Armiger-Gibson Island MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   

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

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