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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-405 6 Woodbury CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2010-08-05   
203-405 7 Woodbury CT   829J PAETEC ITEL, LLC 920   2012-05-20   
203-405 8 Woodbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-01-20   
203-405 9 Woodbury CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
203-406 A Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 0 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 1 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 2 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 3 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 4 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 5 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 6 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 7 Stamford CT   612K CSC VOICE, LLC 920   2010-07-23   
203-406 8 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-406 9 Stamford CT SMFRCT01DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 A New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 0 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 1 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 2 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 3 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 4 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 5 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 6 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 7 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 8 New Haven CT HMDNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-407 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-11-07   
203-408 A Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-408 0 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-11-25   
203-408 1 Redding CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-408 2 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-14   
203-408 3 Redding CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-25   
203-408 4 Redding CT   515J IP HORIZON LLC 920   2022-08-15   
203-408 5 Redding CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-07-06   
203-408 6 Redding CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-03-15   
203-408 7 Redding CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-05-04   
203-408 8 Redding CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-408 9 Redding CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2016-12-08   
203-409 A Old Greenwich CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 0 Old Greenwich CT   829J PAETEC ITEL, LLC 920   2005-11-25   
203-409 1 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-409 2 Old Greenwich CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-24   
203-409 3 Old Greenwich CT   829J PAETEC ITEL, LLC 920   2001-09-03   
203-409 4 Old Greenwich CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 5 Old Greenwich CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-10   
203-409 6 Old Greenwich CT   829J PAETEC ITEL, LLC 920   2004-06-18   
203-409 7 Old Greenwich CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-09-07   
203-409 8 Old Greenwich CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-410 A New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-02-09   
203-410 0 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-410 1 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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