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.
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Switch: KNWCWAXADS2

Remotes:

Switch Switch name Switch type
KNWCWAXCRS2  KENNEWICK MEADOW SPRINGS 2  ORM 
RCLDWAXARS0  NORTH RICHLAND  ORM 
RCLDWAXBRS0  RICHLAND 2  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-221 A Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-374 A Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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