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Phone Directory 307-634 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-634 Cheyenne, WY Qwest Corporation Laramie Landline 02/04/1994

Other Series For Prefixes

307-6340###
307-6341###
307-6342###
307-6343###
307-6344###
307-6345###
307-6346###
307-6347###
307-6348###
307-6349###