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: SLMNIDXCDS0

Remotes:

Switch Switch name Switch type
LEDRIDXCRS1  LEADORE  1RC 
NFRKIDXCRS1  NORTH FORK  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-756 A Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 1 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 2 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 3 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 4 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 5 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 6 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      
208-756 8 Salmon ID 2225 CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK 652      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.