Phone number details for 509-438 numbers
The 509-438 exchange is serviced by the following companies within the KENNEWICK ratecenter.
T-MOBILE USA, INC.
Call are routed trough OCN 6529 and CLLI - KNWCWAXA1MD (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in KENNEWICK.
Working 509-438-xxxx local exchanges
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