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Phone Directory 307-433 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 433-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-433 Cheyenne, WY Qwest Corporation Laramie Landline 10/31/2000

Other Series For Prefixes

307-4330###
307-4331###
307-4332###
307-4333###
307-4334###
307-4335###
307-4336###
307-4337###
307-4338###
307-4339###