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Phone Directory 307-354 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 354-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-354 Rock Springs, WY Union Telephone Company Sweetwater Cell Number 03/27/2001

Other Series For Prefixes

307-3540###
307-3541###
307-3542###
307-3543###
307-3544###
307-3545###
307-3546###
307-3547###
307-3548###
307-3549###