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Phone Directory 307-740 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-740 Jackson, WY Union Telephone Company Teton Cell Number 02/04/1994

Other Series For Prefixes

307-7400###
307-7401###
307-7402###
307-7403###
307-7404###
307-7405###
307-7406###
307-7407###
307-7408###
307-7409###