Phone number details for 509-997 numbers
The 509-997 exchange is serviced by the following companies within the TWISP ratecenter.
"CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK"
Call are routed trough OCN 2408 and CLLI - TWISWAXADS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in TWISP.
Working 509-997-xxxx local exchanges
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