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
443-509 9 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-10-21   
443-510 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-510 0 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-02-01   
443-510 1 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-04-04   
443-510 2 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-05-02   
443-510 3 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-06-05   
443-510 4 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-01   
443-510 5 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-01   
443-510 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-510 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-510 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-510 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-14   
443-512 A Edgewood MD WNRNMDWNRS1  9212 VERIZON MARYLAND, INC. 238      
443-512 0 Edgewood MD WNRNMDWNRS1  9212 VERIZON MARYLAND, INC. 238      
443-512 1 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2020-07-10   
443-512 2 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-05   
443-512 3 Edgewood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-512 4 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-01-19   
443-512 5 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-01-19   
443-512 6 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-07-05   
443-512 7 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-10-14   
443-512 8 Edgewood MD WNRNMDWNRS1  9212 VERIZON MARYLAND, INC. 238      
443-512 9 Edgewood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-513 A Berlin MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 0 Berlin MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 1 Berlin MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 2 Berlin MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-08-09   
443-513 3 Berlin MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2017-07-26   
443-513 4 Berlin MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2006-07-31   
443-513 5 Berlin MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-513 6 Berlin MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2006-09-18   
443-513 7 Berlin MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-513 8 Berlin MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2012-02-23   
443-513 9 Berlin MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-514 A Catonsville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-514 0 Catonsville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-514 1 Catonsville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-514 2 Catonsville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-514 4 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 5 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 6 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-515 A Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-515 0 Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2009-08-07   
443-515 1 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2010-08-21   
443-515 2 Cambridge MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-08-25   
443-515 3 Cambridge MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-08-25   
443-515 4 Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-09-09   
443-515 5 Cambridge MD SLBRMDSBDC0  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2010-06-27   

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

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