Area Code 509-620 Map and Location

Phone number details for 509-620 numbers

The 509-620 exchange is serviced by the following companies within the COULEE DAM ratecenter.

"ZAYO BANDWIDTH NORTHWEST, INC."

Call are routed trough OCN 4584 and CLLI - WNTCWAAC00T (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .