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 .
Working 307-640-xxxx local exchanges
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