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Phone Directory 307-377 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-377 Casper, WY Union Telephone Company Natrona Cell Number 11/20/1998

Other Series For Prefixes

307-3770###
307-3771###
307-3772###
307-3773###
307-3774###
307-3775###
307-3776###
307-3777###
307-3778###
307-3779###