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Phone Directory 970-399 Detail

State Major City Time Zone
Colorado Ft Collins Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
970-399 Delta, CO Fasttrack Communications Delta Landline 03/27/2005

Other Series For Prefixes

970-3990###
970-3991###
970-3992###
970-3993###
970-3994###
970-3995###
970-3996###
970-3997###
970-3998###
970-3999###