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: OWYHNVXFRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-759 A Grasmere-Riddle ID 4437 CENTURYTEL GEM STATE INC-ID DBA CENTURYLINK - ID 652      
208-759 3 Grasmere-Riddle ID 4437 CENTURYTEL GEM STATE INC-ID DBA CENTURYLINK - ID 652      
775-757 A Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 1 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 2 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 3 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 4 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 5 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 6 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 7 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 8 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-757 9 Owyhee NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-763 A Mountain City NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-763 5 Mountain City NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      
775-763 6 Mountain City NV 4438 CENTURYTEL GEM STATE INC-NV DBA CENTURYLINK - NV 652      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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