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Phone Directory 712-277 Detail

State Major City Time Zone
Iowa Sioux City Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-277 Sioux City, IA Qwest Corporation Woodbury Landline 02/04/1994

Other Series For Prefixes

712-2770###
712-2771###
712-2772###
712-2773###
712-2774###
712-2775###
712-2776###
712-2777###
712-2778###
712-2779###