Local Calling Guide

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Last updated: Fri, 17 Jul 2015 10:33:08 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
203-508 A New Haven CT NWHNCT030MD  3863 CTC COMMUNICATIONS CORP. - CT [link] 920 2004-04-04    map
203-508 0 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2004-06-13     
203-508 1 New Haven CT   3863 CTC COMMUNICATIONS CORP. - CT [link] 920 2004-04-04     
203-508 2 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2004-07-16     
203-508 3 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2004-07-16     
203-508 4 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2005-05-29     
203-508 5 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT [link] 920 2005-01-01     
203-508 6 New Haven CT   3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920 2004-07-22     
203-508 7 New Haven CT   3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920 2004-07-22     
203-508 8 New Haven CT   3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920 2004-07-22     
203-508 9 New Haven CT   3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920 2004-07-22     

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