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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
443-300 3 Sykesville MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-300 4 Sykesville MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-300 6 Sykesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-300 7 Sykesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-03   
443-300 8 Sykesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-300 9 Sykesville MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-301 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 0 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   
443-301 1 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   
443-301 2 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 3 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 4 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 5 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 6 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 7 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 8 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 9 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-302 A Crofton MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-302 0 Crofton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-302 1 Crofton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-302 2 Crofton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2008-03-20   
443-302 3 Crofton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-01   
443-302 4 Crofton MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-302 5 Crofton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-302 6 Crofton MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-302 7 Crofton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-12   
443-302 8 Crofton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-12   
443-302 9 Crofton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-303 A Aberdeen MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-303 0 Aberdeen MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-303 1 Aberdeen MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-303 2 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-11-22   
443-303 3 Aberdeen MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 236   2007-04-15   
443-303 4 Aberdeen MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-303 5 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-303 6 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-303 7 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-02-11   
443-303 8 Aberdeen MD   4773 XO MARYLAND, LLC 236   2007-02-19   
443-303 9 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-06-06   
443-304 A Arbutus MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-304 0 Arbutus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-304 1 Arbutus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-304 2 Arbutus MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-03-10   
443-304 3 Arbutus MD   4773 XO MARYLAND, LLC 238   2006-10-14   
443-304 4 Arbutus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-304 5 Arbutus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-304 6 Arbutus MD   4773 XO MARYLAND, LLC 238   2006-10-20   
443-304 7 Arbutus MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-304 8 Arbutus MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-304 9 Arbutus MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-27   

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

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