Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Last updated: Sat, 09 May 2015 19:26:05 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
203-823 A New Haven CT BRSTCTAHPS0  7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920     map
203-823 0 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2008-08-07     
203-823 1 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT [link] 920 2008-08-07     
203-823 2 New Haven CT   6664 SPRINT SPECTRUM L.P. [link] 920 2004-10-18     
203-823 3 New Haven CT   6664 SPRINT SPECTRUM L.P. [link] 920 2004-11-07     
203-823 4 New Haven CT   2706 CHOICE ONE COMMUNICATIONS, INC. - CT [link] 920 2007-08-01     
203-823 5 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03     
203-823 6 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03     
203-823 7 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03     
203-823 8 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC [link] 920 2005-09-03     
203-823 9 New Haven CT   7621 COMCAST PHONE OF CONNECTICUT, INC. - CT [link] 920      

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