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: WHPLNYWPDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-275 5 Byram CT 866H BARR TEL USA, INC. - CT 132   2016-07-18   
475-897 0 Greenwich CT 866H BARR TEL USA, INC. - CT 132   2016-07-18   
914-915 A Westchester Zone 8 NY 525G BARR TELL USA, INC. - NY 132      
914-915 1 Westchester Zone 8 NY 525G BARR TELL USA, INC. - NY 132   2014-08-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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