The 509-683 exchange is serviced by the following companies within the DOUGLASCO ratecenter.
FRONTIER COMMUNICATIONS NORTHWEST INC. - WA
Call are routed trough OCN 4324 and CLLI - MNFDWAXXRS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in MANSFIELD.
Who's number is 509-683 Numbers?