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
443-875 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-875 0 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-875 1 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-10   
443-875 2 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-10-17   
443-875 3 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-10-17   
443-875 4 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-10-17   
443-875 5 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-11-16   
443-875 6 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-11-16   
443-875 7 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-10-03   
443-875 8 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-09-01   
443-875 9 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-10   
443-876 A Bel Air MD HNVAMDAYCM3  6664 SPRINT SPECTRUM L.P. 238      
443-876 0 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2010-07-15   
443-876 1 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2010-09-02   
443-876 2 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2007-07-09   
443-876 3 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2006-07-27   
443-876 4 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2006-01-13   
443-876 5 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2005-09-29   
443-876 6 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2007-02-23   
443-876 7 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2007-02-23   
443-876 8 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2007-07-09   
443-876 9 Bel Air MD   6664 SPRINT SPECTRUM L.P. 238   2007-07-09   
443-877 A North East MD BLTMMDSNRS0  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-877 1 North East MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-04   
443-877 2 North East MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-10-16   
443-877 3 North East MD   5562 METRO PCS, INC. 238   2018-10-19   
443-877 4 North East MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-877 5 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-877 6 North East MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-12-30   
443-877 7 North East MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-05-02   
443-877 8 North East MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-01-08   
443-877 9 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-878 A Columbia MD BLTMMDCH05Z  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-878 0 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-02-16   
443-878 1 Columbia MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2005-08-25   
443-878 2 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-20   
443-878 3 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-03-04   
443-878 4 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-878 5 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-24   
443-878 6 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-24   
443-878 7 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
443-878 8 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-22   
443-878 9 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-24   
443-879 A Dundalk MD DNDLMDDNDS0  9212 VERIZON MARYLAND, INC. 238      
443-879 0 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-879 1 Dundalk MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2006-01-20   
443-879 2 Dundalk MD   876D ONVOY, LLC - MD 238   2014-09-05   
443-879 3 Dundalk MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   
443-879 4 Dundalk MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-11-11   
443-879 5 Dundalk MD   9212 VERIZON MARYLAND, INC. 238   2003-08-09   

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

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