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: CHLSIDXCDS0

Remotes:

Switch Switch name Switch type
SLMNID12RS0    A5S 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-838 A Clayton ID 2218 CUSTER TELEPHONE COOPERATIVE, INC. 652      
208-876 A May ID 2218 CUSTER TELEPHONE COOPERATIVE, INC. 652      
208-879 A Challis ID 2218 CUSTER TELEPHONE COOPERATIVE, INC. 652      
208-894 A Elk Bend ID 2218 CUSTER TELEPHONE COOPERATIVE, INC. 652      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.