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-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
201-922 A Closter NJ ALPINJ15CM1  224      
602-729 A Phoenix AZ TEMPAZNN1KD  666      
856-416 A Glassboro NJ WTFRNJQBCM1  222      
908-641 A New Brunswick NJ FRNSNJAGCM1  224      

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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