The 307-276 exchange is serviced by the following companies within the BIG PINEY ratecenter.
"CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK"
Call are routed trough OCN 2299 and CLLI - BGPNWYXCDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in BIG PINEY.
Who's number is 307-276 Numbers?