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: KNWCWAXAPS1

Remotes:

Switch Switch name Switch type
BNCYWAXXRP0    TA5 
RCLDWAXARP0    TA5 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-628 A Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676   2024-02-14   
509-628 0 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-628 1 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-628 2 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-628 3 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-628 8 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-628 9 Kennewick WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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