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Phone Directory 307-432 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-432 Cheyenne, WY Qwest Corporation Laramie Landline 01/25/1998

Other Series For Prefixes

307-4320###
307-4321###
307-4322###
307-4323###
307-4324###
307-4325###
307-4326###
307-4327###
307-4328###
307-4329###