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: SLKMWAXBPS0

Remotes:

Switch Switch name Switch type
MSRKWAXXRP0  MOSSYROCK  RP 
ONLSWAXARP0  ONALASKA  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-985 A Salkum WA 2430 MCDANIEL TEL. CO. 674      
360-985 0 Salkum WA 2430 MCDANIEL TEL. CO. 674      
360-985 2 Salkum WA 2430 MCDANIEL TEL. CO. 674      
360-985 7 Salkum WA 2430 MCDANIEL TEL. CO. 674      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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