The 307-836 exchange is serviced by the following companies within the GUERNSEY ratecenter.
UNITED TEL CO WEST - WY DBA CENTURYLINK WEST - WY
Call are routed trough OCN 4531 and CLLI - GRNSWYXCRP0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in GUERNSEY.
Who's number is 307-836 Numbers?