The 509-493 exchange is serviced by the following companies within the WH SALMON ratecenter.
UNITED TELEPHONE-NORTHWEST-WA DBA CENTURYLINK-WA
Call are routed trough OCN 4521 and CLLI - WHSLWAXXRS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in WHITE SALMON.
Who's number is 509-493 Numbers?