Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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
203-298 A New Haven CT NRWLCTCVDS0  4950 CABLEVISION LIGHTPATH, INC. - CT 920     map
203-298 0 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 1 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 2 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920 2008-04-21     
203-298 3 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 4 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 5 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 6 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 7 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-298 8 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920 2006-03-07     
203-298 9 New Haven CT   4950 CABLEVISION LIGHTPATH, INC. - CT 920      

Last updated: Mon, 06 Jun 2016 01:06:37 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.