Phone number details for 509-633 numbers
The 509-633 exchange is serviced by the following companies within the COULEE DAM ratecenter.
QWEST CORPORATION
Call are routed trough OCN 9638 and CLLI - CLDMWA01DS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in COULEE DAM.
Working 509-633-xxxx local exchanges
More Washington resources