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: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-420 A Woodbury NJ   637C ONVOY, LLC NJ 222   2019-09-19   
856-420 3 Woodbury NJ   637C ONVOY, LLC NJ 222   2019-09-19   
856-420 4 Woodbury NJ   637C ONVOY, LLC NJ 222   2019-09-19   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.