Area Code 509-478 Map and Location

Phone number details for 509-478 numbers

The 509-478 exchange is serviced by the following companies within the ROSALIA ratecenter.

FRONTIER COMMUNICATIONS NORTHWEST INC. - WA

Call are routed trough OCN 4324 and CLLI - THTNWAXARS1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in THORNTON.