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
203-619 4 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-02-22   
203-619 5 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-619 6 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-619 7 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-619 8 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-619 9 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-620 A Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-620 0 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 1 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 2 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 3 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 4 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 5 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 6 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-10-01   
203-620 7 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-620 8 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-620 9 Darien CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-621 A Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 0 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 1 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 2 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 3 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 4 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2005-03-20   
203-621 5 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 6 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 7 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-621 8 Darien CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2005-02-03   
203-621 9 Darien CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-622 A Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-623 A New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-624 A New Haven CT NWHNCT03DS3  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-625 A Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 0 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 1 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2015-05-09   
203-625 2 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 3 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 4 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 5 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 6 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 7 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 8 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-625 9 Greenwich CT GNWCCTGNDS0  9104 VERIZON NEW YORK, INC. 132      
203-626 A Wallingford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-626 0 Wallingford CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920   2001-06-04   
203-626 1 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-626 2 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-626 3 Wallingford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-626 4 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2018-10-19   
203-626 5 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2004-12-18   
203-626 6 Wallingford CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT 920   2006-04-03   

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

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