The 206-538 exchange is serviced by the following companies within the SEATTLE ratecenter.
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- WA
Call are routed trough OCN 2981 and CLLI - TKWLWANNDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in TUKWILA.
Who's number is 206-538 Numbers?