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Phone Directory 307-635 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-635 Cheyenne, WY Qwest Corporation Laramie Landline 02/04/1994

Other Series For Prefixes

307-6350###
307-6351###
307-6352###
307-6353###
307-6354###
307-6355###
307-6356###
307-6357###
307-6358###
307-6359###