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: RCLDWAXBRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-942 A Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 0 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 1 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 2 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 3 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 6 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-942 7 Richland WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.