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Phone Directory 712-923 Detail

State Major City Time Zone
Iowa Sioux City Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-923 Sergeant Bluff, IA Northwest Iowa Telephone Woodbury Landline 11/09/2001

Other Series For Prefixes

712-9230###
712-9231###
712-9232###
712-9233###
712-9234###
712-9235###
712-9236###
712-9237###
712-9238###
712-9239###