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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
443-296 1 Waterloo MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-296 2 Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-296 3 Waterloo MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
443-296 4 Waterloo MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-296 5 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-296 6 Waterloo MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2009-07-11   
443-296 7 Waterloo MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-296 8 Waterloo MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-296 9 Waterloo MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-297 A Arbutus MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 0 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-297 1 Arbutus MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2012-05-14   
443-297 2 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-08-12   
443-297 3 Arbutus MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 4 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-08-12   
443-297 5 Arbutus MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
443-297 6 Arbutus MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-297 7 Arbutus MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-297 8 Arbutus MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2002-01-09   
443-297 9 Arbutus MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-298 A Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-298 0 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2003-01-06   
443-298 1 Easton MD SLBRMDSC2MD  5562 METROPCS, INC. 242   2004-12-27   
443-298 3 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-22   
443-298 8 Easton MD   145J TERRA NOVA TELECOM INC. 242   2024-02-15   
443-298 9 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2016-08-06   
443-299 A Fallston MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-299 0 Fallston MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-299 1 Fallston MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-299 2 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-11-04   
443-299 3 Fallston MD   145J TERRA NOVA TELECOM INC. 238   2021-01-27   
443-299 4 Fallston MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-299 6 Fallston MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-299 7 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
443-299 8 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
443-299 9 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-01-02   
443-300 A Sykesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-300 0 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
443-300 1 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-29   
443-300 2 Sykesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-300 3 Sykesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-300 4 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-06-26   
443-300 5 Sykesville MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   
443-300 6 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-300 7 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-03   
443-300 8 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-300 9 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
443-301 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-301 0 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   
443-301 1 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2013-10-01   

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Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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