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Phone Directory 307-234 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 234-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-234 Casper, WY Qwest Corporation Carbon Landline 02/04/1994

Other Series For Prefixes

307-2340###
307-2341###
307-2342###
307-2343###
307-2344###
307-2345###
307-2346###
307-2347###
307-2348###
307-2349###