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Phone Directory 307-283 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 283-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-283 Sundance, WY Range Telephone Cooperative Crook Landline 02/04/1994

Other Series For Prefixes

307-2830###
307-2831###
307-2832###
307-2833###
307-2834###
307-2835###
307-2836###
307-2837###
307-2838###
307-2839###