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.
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Switch: NRWLCTCVGT1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-244 A Ridgefield CT 4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-957 A Norwalk CT 4950 CABLEVISION LIGHTPATH, INC. - CT 920   2011-07-22   

Last updated: Sat, 08 Jun 2019 01:52:21 UTC

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