The 253-277 exchange is serviced by the following companies within the KENT ratecenter.
"COMCAST PHONE OF WASHINGTON/OREGON, LLC - WA"
Call are routed trough OCN 6060 and CLLI - STTLWAEKPS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 253-277 Numbers?