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Phone Directory 307-855 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 855-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-855 Riverton, WY Qwest Corporation Fremont Landline 10/15/1996

Other Series For Prefixes

307-8550###
307-8551###
307-8552###
307-8553###
307-8554###
307-8555###
307-8556###
307-8557###
307-8558###
307-8559###