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Phone Directory 307-543 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Example: (307) 543-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-543 Moran, WY Qwest Corporation Teton Landline 02/04/1994

Other Series For Prefixes

307-5430###
307-5431###
307-5432###
307-5433###
307-5434###
307-5435###
307-5436###
307-5437###
307-5438###
307-5439###