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Phone Directory 307-775 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 775-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-775 Cheyenne, WY Qwest Corporation Laramie Landline 02/04/1994

Other Series For Prefixes

307-7750###
307-7751###
307-7752###
307-7753###
307-7754###
307-7755###
307-7756###
307-7757###
307-7758###
307-7759###