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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
203-549 2 Bridgeport CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-549 3 Bridgeport CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-549 4 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-01-11   
203-549 5 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-01-11   
203-549 6 Bridgeport CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-549 7 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-12-24   
203-549 8 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2005-04-21   
203-549 9 Bridgeport CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2005-04-21   
203-550 A Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-551 A Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 0 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2006-09-30   
203-551 1 Bridgeport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-09-20   
203-551 2 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 3 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 4 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2007-10-08   
203-551 5 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 6 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 7 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 8 Bridgeport CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-551 9 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-07-01   
203-552 A Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 0 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 1 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 2 Byram CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2010-03-11   
203-552 3 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 4 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 5 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 6 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 7 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 8 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-552 9 Byram CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-553 A New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 0 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 1 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 2 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 3 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 4 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 5 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 6 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 7 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-09-26   
203-553 8 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-553 9 New Haven CT NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2011-08-26   
203-554 A Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-556 A Bridgeport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-557 A Westport CT NRWLCT02YMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 0 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 1 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 2 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 3 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 4 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 5 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 6 Westport CT NRWLCT02SMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2015-07-25   
203-557 7 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 8 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-557 9 Westport CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-558 A Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-559 A Darien CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-559 0 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2004-02-02   
203-559 1 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2004-02-02   
203-559 2 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2007-04-11   
203-559 3 Darien CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-559 4 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-09-08   
203-559 5 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-09-08   
203-559 6 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-05-28   
203-559 7 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-05-28   
203-559 8 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2002-12-16   
203-559 9 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2002-12-16   
203-560 A Waterbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-561 A Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-562 A New Haven CT NWHNCT03DS3  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 A Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 0 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 1 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 2 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 3 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 4 Wilton CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-09-07   
203-563 5 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 6 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 7 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-563 8 Wilton CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
203-563 9 Wilton CT WLTOCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-564 A Stamford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-564 0 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-01-12   
203-564 1 Stamford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-564 2 Stamford CT   145J TERRA NOVA TELECOM INC. 920   2023-08-05   
203-564 3 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-04-16   
203-564 4 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-09-06   
203-564 5 Stamford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-564 6 Stamford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-08-08   
203-564 7 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-09-06   
203-564 8 Stamford CT NWHNCT02X5X  7421 AT&T - LOCAL 920   2009-06-14   
203-564 9 Stamford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-08-20   
203-565 A Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2024-02-09   
203-565 0 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-02-16   
203-565 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-565 2 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-565 3 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-565 4 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-565 5 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-565 6 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      

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

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