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: CHNYWAXCDS0

Remotes:

Switch Switch name Switch type
DVPTWAXXRS0  DAVENPORT  RSC 
EDWLWAXARS0  EDWALL  1RC 
HRTNWAXARS0  HARRINGTON  1RC 
LINDWAXARS0  LIND  1RC 
MDLKWAXXRS0  MEDICAL LAKE  RSC 
ODSSWAXARS0  ODESSA  RSC 
RRDNWAXXRS0  REARDAN  1RC 
RTVLWAXARS0  RITZVILLE  RSC 
SPNGWAXARS0  SPANGLE  RLC 
SPRGWAXARS0  SPRAGUE  DLM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-235 A Cheney WA 2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 676      
509-359 A Cheney WA 2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 676      
509-559 A Cheney WA 2408 CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 676      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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