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
443-624 2 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-624 3 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-624 4 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-624 5 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-04-01   
443-624 6 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-624 7 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
443-624 8 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-01-02   
443-624 9 Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-625 A Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-625 0 Fork MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-625 1 Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2001-10-17   
443-625 2 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-13   
443-625 3 Fork MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-625 4 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-13   
443-625 5 Fork MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2002-11-16   
443-625 6 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-02   
443-625 7 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-02   
443-625 8 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-04-09   
443-625 9 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-02-18   
443-626 A Chase MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-626 0 Chase MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-626 1 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 2 Chase MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-626 3 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 4 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-626 5 Chase MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-626 6 Chase MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2015-03-21   
443-626 7 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-22   
443-626 8 Chase MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-06-21   
443-626 9 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-627 A Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-627 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-627 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-627 2 Baltimore MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2007-02-05   
443-627 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-02-08   
443-627 4 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-11-28   
443-627 5 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-11-28   
443-627 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-11-28   
443-627 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-02-07   
443-627 8 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2008-06-09   
443-627 9 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-628 A Glen Burnie MD BLTMMDCHYMD  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-628 0 Glen Burnie MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-628 1 Glen Burnie MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-08-01   
443-628 2 Glen Burnie MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-628 3 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-628 4 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-628 5 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-628 6 Glen Burnie MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2018-09-30   
443-628 7 Glen Burnie MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-02   

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

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