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: 830

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-830 A Sunnyside WA KNWCWABB1MD  6270 UNITED STATES CELLULAR - WA 676      
509-830 0 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 1 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 2 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 3 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 4 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 5 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 6 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 7 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 8 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      
509-830 9 Sunnyside WA   6270 UNITED STATES CELLULAR - WA 676      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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