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Phone Directory 307-266 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 266-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-266 Casper, WY Qwest Corporation Carbon Landline 02/04/1994

Other Series For Prefixes

307-2660###
307-2661###
307-2662###
307-2663###
307-2664###
307-2665###
307-2666###
307-2667###
307-2668###
307-2669###