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: LYNDWAXXDS1

Remotes:

Switch Switch name Switch type
BLANWAXBRS0  BLAINE  RSS 
EVSNWAXXRS1  EVERSON  RSC 
LARLWAXXRS0  LAUREL  RSC 
MPFLWAXARS1  MAPLE FALLS  RSC 
SUMSWAXXRS1  SUMAS  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-318 A Whatcom County WA 4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-354 A Whatcom County WA 4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-988 A Whatcom County WA 4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      

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

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