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
443-566 3 Chesapeake City MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-01-29   
443-566 4 Chesapeake City MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-02-13   
443-566 5 Chesapeake City MD   318J COMCAST IP PHONE, LLC 242   2014-05-11   
443-566 6 Chesapeake City MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-09-15   
443-566 7 Chesapeake City MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-10-23   
443-566 8 Chesapeake City MD   073H TELNYX LLC 242   2017-09-13   
443-567 A Bel Air MD BLTMMDSNRS0  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-567 0 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 1 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 2 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 3 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 4 Bel Air MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-567 5 Bel Air MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-08-04   
443-567 6 Bel Air MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-08-04   
443-567 7 Bel Air MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2012-04-17   
443-567 8 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 9 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-568 A Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 0 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 1 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 2 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 3 Arbutus MD   876D ONVOY, LLC - MD 238   2012-10-07   
443-568 4 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 5 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-568 7 Arbutus MD   321J HD CARRIER LLC 238   2020-05-01   
443-568 8 Arbutus MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-568 9 Arbutus MD   4773 XO MARYLAND, LLC 238      
443-569 A Annapolis MD BLTMMDSNRS0  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-569 0 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-13   
443-569 1 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-06-02   
443-569 2 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-08-01   
443-569 3 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-06   
443-569 4 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-569 5 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-06   
443-569 6 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-06   
443-569 7 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-06   
443-569 8 Annapolis MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-06   
443-569 9 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-03-04   
443-570 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
443-571 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 2 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 3 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 4 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 5 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 6 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 7 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 8 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   
443-571 9 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-02-03   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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