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: 929

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-929 A Ellensburg WA KNWCWABB1MD  6270 UNITED STATES CELLULAR - WA 676      
509-929 0 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 1 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 2 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 3 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 4 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 5 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 6 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 7 Ellensburg WA   6270 UNITED STATES CELLULAR - WA 676      
509-929 8 Ellensburg WA   6529 T-MOBILE USA, INC. 676   2013-08-15   
509-929 9 Ellensburg WA   6529 T-MOBILE USA, INC. 676   2014-05-22   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.