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Phone Directory 307-643 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 643-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-643 Beulah, WY Qwest Corporation Crook Landline 01/10/1996

Other Series For Prefixes

307-6430###
307-6431###
307-6432###
307-6433###
307-6434###
307-6435###
307-6436###
307-6437###
307-6438###
307-6439###