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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-493 A White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 0 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 1 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 2 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 3 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 4 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 5 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 6 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 7 White Salmon WA THDLORXAFMD  483E ONVOY, LLC - WA 672   2021-05-31   
509-493 8 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-493 9 White Salmon WA WHSLWAXXRS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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