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Phone Directory 307-212 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-212 Rock Springs, WY Level 3 Communications Sweetwater Landline 07/16/2002

Other Series For Prefixes

307-2120###
307-2121###
307-2122###
307-2123###
307-2124###
307-2125###
307-2126###
307-2127###
307-2128###
307-2129###