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Phone Directory 307-222 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-222 Cheyenne, WY Level 3 Communications Laramie Landline 06/30/2001

Other Series For Prefixes

307-2220###
307-2221###
307-2222###
307-2223###
307-2224###
307-2225###
307-2226###
307-2227###
307-2228###
307-2229###