The 509-209 exchange is serviced by the following companies within the SPOKANE ratecenter.
TW TELECOM OF WASHINGTON LLC - WA
Call are routed trough OCN 7455 and CLLI - SPKNWAVRDS2 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in SPOKANE.
Who's number is 509-209 Numbers?