Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-831 A Sunnyside WA KNWCWABB1MD  6270 UNITED STATES CELLULAR - WA 676      
509-831 0 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 1 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 2 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676   2005-10-07   
509-831 3 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676   2005-10-07   
509-831 4 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676   2007-06-30   
509-831 5 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 6 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 7 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 8 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      
509-831 9 Sunnyside WA YAKMWA21CM1  6270 UNITED STATES CELLULAR - WA 676      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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