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.

Switch: GNWCCTGNCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-340 A Greenwich CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132      
203-532 5 Byram CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132   2003-11-15   
203-681 2 Byram CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132   2010-08-26   
203-813 3 Byram CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132   2005-04-22   
203-992 A Greenwich CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132      
203-992 1 Greenwich CT 4950 CABLEVISION LIGHTPATH, INC. - CT 132   2006-07-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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