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Phone Directory 712-421 Detail

State Major City Time Zone
Iowa Sioux City Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-421 Sloan, IA Northwest Iowa Telephone Woodbury Landline 02/20/2001

Other Series For Prefixes

712-4210###
712-4211###
712-4212###
712-4213###
712-4214###
712-4215###
712-4216###
712-4217###
712-4218###
712-4219###