Local Calling Guide

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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
203-527 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 MDTWCTNIGT1  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 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 6 Waterbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-17   
203-528 7 Waterbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-09-15   
203-528 8 Waterbury CT MDTWCTNIGT1  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 WHPLNYWPXSX  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 MEVLNYOC2MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 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 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2009-12-11   
203-533 7 Guilford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2012-12-17   

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

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