Phone number details for 509-303 numbers
The 509-303 exchange is serviced by the following companies within the PROSSER ratecenter.
T-MOBILE USA, INC.
Call are routed trough OCN 6529 and CLLI - YAKMWA020MD (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in YAKIMA.
Working 509-303-xxxx local exchanges
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