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Phone Directory 712-378 Detail

State Major City Time Zone
Iowa Sioux City Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-378 Kingsley, IA Frontier Communications Of Iowa Plymouth Landline 02/04/1994

Other Series For Prefixes

712-3780###
712-3781###
712-3782###
712-3783###
712-3784###
712-3785###
712-3786###
712-3787###
712-3788###
712-3789###