The 307-283 exchange is serviced by the following companies within the SUNDANCE ratecenter.
"RANGE TELEPHONE COOPERATIVE, INC."
Call are routed trough OCN 2251 and CLLI - SNDNWYXCDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in SUNDANCE.
Who's number is 307-283 Numbers?