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Phone Directory 307-441 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-441 Casper, WY Big River Telephone Company Natrona Landline 10/20/2009

Other Series For Prefixes

307-4410###
307-4411###
307-4412###
307-4413###
307-4414###
307-4415###
307-4416###
307-4417###
307-4418###
307-4419###