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: BOISIDMAXPY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-563 A Boise ID 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 652      
208-563 9 Boise ID 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 652   2021-02-16   
208-847 6 Montpelier ID 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 652   2025-05-13   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.