Local Calling Guide

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Last updated: Sat, 21 Mar 2015 16:44:06 UTC

NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
203-745 A New Haven CT NWHNCT02YDX  516C SBC INTERNET SERVICES, INC. [link] 920     map
203-745 0 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2006-05-07     
203-745 1 New Haven CT   516C SBC INTERNET SERVICES, INC. [link] 920      
203-745 2 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT [link] 920 2006-05-07     
203-745 3 New Haven CT   7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03     
203-745 4 New Haven CT   7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03     
203-745 5 New Haven CT   7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920 2006-06-03     
203-745 6 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2007-09-21     
203-745 7 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2007-12-28     
203-745 8 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2007-12-28     
203-745 9 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2008-07-07     

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