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Phone Directory 307-638 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-638 Cheyenne, WY Qwest Corporation Laramie Landline 02/04/1994

Other Series For Prefixes

307-6380###
307-6381###
307-6382###
307-6383###
307-6384###
307-6385###
307-6386###
307-6387###
307-6388###
307-6389###