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.

NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-917 A Reardan WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2025-02-20   
509-917 0 Reardan WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2025-02-20   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.