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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
203-526 6 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-526 7 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-526 8 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-526 9 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-527 A Waterbury CT PRSPCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-527 0 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-527 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2006-01-20   
203-527 2 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2009-11-27   
203-527 3 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-11-22   
203-527 4 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-11-22   
203-527 5 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-11-22   
203-527 6 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-02-20   
203-527 7 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-02-20   
203-527 8 Waterbury CT HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2006-07-07   
203-527 9 Waterbury CT PRSPCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-528 A Waterbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-528 0 Waterbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-528 1 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 2 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-10-16   
203-528 3 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2007-08-21   
203-528 4 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2007-08-21   
203-528 5 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 6 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 7 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-09-15   
203-528 8 Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 9 Waterbury CT   145J TERRA NOVA TELECOM INC. 920   2022-04-17   
203-529 A Wilton CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-529 0 Wilton CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920   2001-05-07   
203-529 1 Wilton CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-12-25   
203-529 2 Wilton CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2003-05-27   
203-529 3 Wilton CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2009-09-19   
203-529 4 Wilton CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-04-16   
203-529 5 Wilton CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-04-07   
203-529 6 Wilton CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-10   
203-529 7 Wilton CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   
203-529 8 Wilton CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
203-529 9 Wilton CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-530 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-531 A Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 A Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 0 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 1 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 2 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 3 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 4 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 5 Byram CT GNWCCTGNCMD  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-11-15   
203-532 6 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 7 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-532 8 Byram CT   829J PAETEC ITEL, LLC 132   2001-09-03   
203-532 9 Byram CT PTCHNYPCDS0  9104 VERIZON NEW YORK, INC. 132      
203-533 A Guilford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-533 0 Guilford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-02-18   
203-533 1 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-533 2 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-10-06   
203-533 3 Guilford CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2012-02-01   
203-533 4 Guilford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-04-16   
203-533 5 Guilford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2004-12-18   
203-533 6 Guilford CT   829J PAETEC ITEL, LLC 920   2009-12-11   
203-533 7 Guilford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2012-12-17   
203-533 8 Guilford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-533 9 Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-534 A Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 0 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 1 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 2 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 3 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 4 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 5 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 6 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-09-24   
203-534 7 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-534 8 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-09-24   
203-534 9 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-09-24   
203-535 A New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-535 0 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-535 1 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-04-16   
203-535 2 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-07-05   
203-535 3 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-03-23   
203-535 4 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-02-02   
203-535 5 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-02-02   
203-535 6 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-03-23   
203-535 7 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-03-23   
203-535 8 New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-03-23   
203-535 9 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-02-02   
203-536 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-537 A Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 0 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 1 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 2 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 3 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 4 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 5 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 6 Meriden CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-537 7 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 8 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-537 9 Meriden CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-538 A Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 0 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 1 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 2 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 3 Huntington CT   829J PAETEC ITEL, LLC 920      

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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