The 253-857 exchange is serviced by the following companies within the GIG HARBOR ratecenter.
"CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK"
Call are routed trough OCN 2408 and CLLI - GGHRWAXADS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in GIG HARBOR.