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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
443-444 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 9 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-445 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-445 0 Elkridge MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-445 1 Elkridge MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-04-17   
443-445 2 Elkridge MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-445 3 Elkridge MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-03-10   
443-445 4 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 5 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 6 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 7 Elkridge MD   9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 8 Elkridge MD   9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 9 Elkridge MD   4773 XO MARYLAND, LLC 238   2001-11-19   
443-446 A Queenstown MD ESTNMDES5MD  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242      
443-446 1 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 2 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 4 Queenstown MD   876D ONVOY, LLC - MD 242   2018-09-13   
443-446 6 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 7 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 8 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 9 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-447 A Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-447 0 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-31   
443-447 1 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 2 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 3 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 4 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 5 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 6 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 7 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 8 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-447 9 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-04-01   
443-448 A Denton MD   318J COMCAST IP PHONE, LLC 242      
443-448 2 Denton MD   7421 AT&T LOCAL 242   2005-05-02   
443-448 3 Denton MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2015-11-02   
443-448 4 Denton MD   318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-448 5 Denton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2016-10-16   
443-448 6 Denton MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-06-25   
443-448 7 Denton MD   318J COMCAST IP PHONE, LLC 242   2015-03-20   
443-448 8 Denton MD   876D ONVOY, LLC - MD 242   2017-04-13   
443-448 9 Denton MD   073H TELNYX LLC 242   2017-09-13   
443-449 A Baltimore MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2007-05-19   
443-449 0 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-07-22   
443-449 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-07-22   
443-449 2 Baltimore MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2007-05-19   
443-449 3 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-04-08   
443-449 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-06-16   

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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