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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
443-730 1 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 2 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 3 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-08-14   
443-730 4 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2015-08-14   
443-730 5 Essex MD   876D ONVOY, LLC - MD 238   2016-01-14   
443-730 6 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2016-03-29   
443-730 7 Essex MD   876D ONVOY, LLC - MD 238   2016-03-27   
443-730 8 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 9 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-731 A Port Deposit MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-731 0 Port Deposit MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-07-07   
443-731 1 Port Deposit MD   420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-08-05   
443-731 2 Port Deposit MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
443-731 3 Port Deposit MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-11-19   
443-731 4 Port Deposit MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2017-08-03   
443-731 5 Port Deposit MD   876D ONVOY, LLC - MD 238   2018-06-16   
443-731 6 Port Deposit MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-731 7 Port Deposit MD   530H WIDE VOICE, LLC - MD 238   2016-05-14   
443-731 8 Port Deposit MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-07-07   
443-731 9 Port Deposit MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-732 A Silver Run MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-732 0 Silver Run MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-732 1 Silver Run MD   2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-732 2 Silver Run MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-732 3 Silver Run MD   876D ONVOY, LLC - MD 238   2012-10-08   
443-732 4 Silver Run MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-732 5 Silver Run MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-23   
443-732 6 Silver Run MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-01-19   
443-732 7 Silver Run MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-732 8 Silver Run MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-732 9 Silver Run MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-733 A Waterloo MD BLTMMDCHDS7  7421 AT&T LOCAL 238      
443-733 0 Waterloo MD   4773 XO MARYLAND, LLC 238   2003-02-16   
443-733 1 Waterloo MD   2589 US LEC OF MARYLAND, INC. 238   2003-03-04   
443-733 2 Waterloo MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2009-03-17   
443-733 3 Waterloo MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-733 4 Waterloo MD   876D ONVOY, LLC - MD 238   2016-04-28   
443-733 5 Waterloo MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2013-10-10   
443-733 6 Waterloo MD   876D ONVOY, LLC - MD 238   2016-04-28   
443-733 7 Waterloo MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-02   
443-733 8 Waterloo MD   082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-733 9 Waterloo MD   7421 AT&T LOCAL 238      
443-734 A Severn MD ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
443-734 0 Severn MD   082H LOCAL ACCESS LLC - MD 238   2013-09-06   
443-734 1 Severn MD   876D ONVOY, LLC - MD 238   2014-09-06   
443-734 2 Severn MD   5562 METRO PCS, INC. 238   2015-03-06   
443-734 3 Severn MD   876D ONVOY, LLC - MD 238   2016-01-22   
443-734 4 Severn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-02   
443-734 5 Severn MD   5562 METRO PCS, INC. 238   2015-03-13   
443-734 6 Severn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-11-11   

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

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