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Phone Directory 712-454 Detail

State Major City Time Zone
Iowa Sioux City Central

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Example: (712) 454-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-454 Sioux City, IA Teleport Communications America Woodbury Landline 11/30/2009

Other Series For Prefixes

712-4540###
712-4541###
712-4542###
712-4543###
712-4544###
712-4545###
712-4546###
712-4547###
712-4548###
712-4549###