Phone number details for 509-840 numbers
The 509-840 exchange is serviced by the following companies within the SUNNYSIDE ratecenter.
"NEW CINGULAR WIRELESS PCS, LLC"
Call are routed trough OCN 6010 and CLLI - MLWDWAAA3MD (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 509-840-xxxx local exchanges
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