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Phone Directory 307-399 Detail

State Major City Time Zone
Wyoming Casper Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
307-399 Laramie, WY Cellco Partnership DBA Verizon Wireless Albany Cell Number 05/16/2002

Other Series For Prefixes

307-3990###
307-3991###
307-3992###
307-3993###
307-3994###
307-3995###
307-3996###
307-3997###
307-3998###
307-3999###