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Phone Directory 307-440 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-440 Basin, WY Bresnan Broadband Of Wyoming Big Horn Landline 06/10/2009

Other Series For Prefixes

307-4400###
307-4401###
307-4402###
307-4403###
307-4404###
307-4405###
307-4406###
307-4407###
307-4408###
307-4409###