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Phone Directory 307-290 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-290 Sundance, WY New Cingular Wireless PCS Crook Cell Number 10/15/1996

Other Series For Prefixes

307-2900###
307-2901###
307-2902###
307-2903###
307-2904###
307-2905###
307-2906###
307-2907###
307-2908###
307-2909###