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: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-289 A Ephrata WA MSLKWA010MD  6529 T-MOBILE USA, INC. 676      
509-289 0 Ephrata WA MSLKWA010MD  6529 T-MOBILE USA, INC. 676      
509-289 1 Ephrata WA   6529 T-MOBILE USA, INC. 676      
509-289 2 Ephrata WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676      
509-289 3 Ephrata WA SPKNWA01XBY  663D ELTOPIA COMMUNICATIONS, LLC - WA 676      
509-289 4 Ephrata WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676      
509-289 5 Ephrata WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676      
509-289 6 Ephrata WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-289 7 Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-289 8 Ephrata WA MSLKWA010MD  6529 T-MOBILE USA, INC. 676      
509-289 9 Ephrata WA MSLKWA010MD  6529 T-MOBILE USA, INC. 676      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.