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.
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Switch: YAKMWA21CM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-400 A Mattawa WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-830 A Sunnyside WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-831 A Sunnyside WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-832 A Prosser WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-859 A Ellensburg WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-929 A Ellensburg WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-930 A Yakima WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-941 A Yakima WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-945 A Yakima WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-949 A Yakima WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      
509-985 A Yakima WA 6270 UNITED STATES CELLULAR CORP. - WASHINGTON 676      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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