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.

Anatone, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-256 A ANATWAXXRP0  2404 ASOTIN TEL CO 676   2024-02-18   
509-256 3 ANATWAXXRP0  2404 ASOTIN TEL CO 676      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.