The 509-299 exchange is serviced by the following companies within the MEDICAL LK ratecenter.
"CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK"
Call are routed trough OCN 2408 and CLLI - MDLKWAXXRS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in MEDICAL LAKE.
Who's number is 509-299 Numbers?