Area Code 307-640 Map and Location

Phone number details for 307-640 numbers

The 307-640 exchange is serviced by the following companies within the CHEYENNE ratecenter.

WESTERN WIRELESS CORPORATION-WY

Call are routed trough OCN 5042 and CLLI - CHYNWY35CM1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .