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: SQGPNDXARS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-569 A West Squaw Gap MT 1632 RESERVATION TELEPHONE COOPERATIVE 638    
701-565 A Squaw Gap ND 1632 RESERVATION TELEPHONE COOPERATIVE 638    

Last updated: Sat, 10 Nov 2018 02:05:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.