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Phone Directory 307-790 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 790-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-790 Sundance, WY Union Telephone Company Crook Cell Number 12/18/2003

Other Series For Prefixes

307-7900###
307-7901###
307-7902###
307-7903###
307-7904###
307-7905###
307-7906###
307-7907###
307-7908###
307-7909###