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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
203-423 0 Wilton CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-02   
203-423 1 Wilton CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2007-08-31   
203-423 2 Wilton CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-18   
203-423 3 Wilton CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-423 4 Wilton CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-423 5 Wilton CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-11-23   
203-423 6 Wilton CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-423 7 Wilton CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-423 8 Wilton CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2012-09-04   
203-423 9 Wilton CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2002-12-23   
203-424 A Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-424 0 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-424 1 Darien CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-26   
203-424 2 Darien CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-424 3 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-23   
203-424 4 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-23   
203-424 5 Darien CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-09-07   
203-424 6 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-23   
203-424 7 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2007-09-14   
203-424 8 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2007-09-14   
203-424 9 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2007-09-14   
203-425 A Stamford CT SMFRCT01DS2  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-426 A Newtown CT NWTWCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-427 A Meriden CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-427 0 Meriden CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-427 1 Meriden CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-02-12   
203-427 2 Meriden CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-427 3 Meriden CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-14   
203-427 4 Meriden CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-427 5 Meriden CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-14   
203-427 6 Meriden CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-09-09   
203-427 7 Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-03-14   
203-427 8 Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
203-427 9 Meriden CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-428 A Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-428 0 Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-428 1 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-08-13   
203-428 2 Stamford CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2002-06-18   
203-428 3 Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-428 4 Stamford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-07-14   
203-428 5 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-09-15   
203-428 6 Stamford CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2006-07-07   
203-428 7 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2007-09-10   
203-428 8 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-08-22   
203-428 9 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-01-01   
203-429 A Westport CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-429 0 Westport CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-429 1 Westport CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-429 2 Westport CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-429 3 Westport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-08-23   
203-429 4 Westport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-01   
203-429 5 Westport CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-01   
203-429 6 Westport CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-429 7 Westport CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
203-429 8 Westport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-09-12   
203-429 9 Westport CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-04-28   
203-430 A New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-431 A Ridgefield CT RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-432 A New Haven CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-433 A Branford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-433 0 Branford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-15   
203-433 1 Branford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920   2004-12-06   
203-433 2 Branford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-12-25   
203-433 3 Branford CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2008-08-01   
203-433 4 Branford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-09-01   
203-433 5 Branford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-01-31   
203-433 6 Branford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-05   
203-433 7 Branford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-09-22   
203-433 8 Branford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-09   
203-433 9 Branford CT   145J TERRA NOVA TELECOM INC. 920   2022-08-03   
203-434 A Norwalk CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-435 A New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-436 A New Haven CT NWHNCT03DS3  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-437 A Waterbury CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-437 0 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-10-11   
203-437 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-10-11   
203-437 2 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-12-06   
203-437 3 Waterbury CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-437 4 Waterbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-03-02   
203-437 5 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-02-15   
203-437 6 Waterbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-19   
203-437 7 Waterbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-10-27   
203-437 8 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2009-08-31   
203-437 9 Waterbury CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
203-438 A Ridgefield CT RDFDCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-439 A Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-439 0 Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-439 1 Cheshire CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2006-09-26   
203-439 2 Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-09-19   
203-439 3 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-08-11   
203-439 4 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-08-11   
203-439 5 Cheshire CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2017-09-29   
203-439 6 Cheshire CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-14   
203-439 7 Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-439 8 Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2014-10-10   
203-439 9 Cheshire CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-440 A Meriden CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-440 0 Meriden CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-440 1 Meriden CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-440 2 Meriden CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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