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Phone Directory 712-566 Detail

State Major City Time Zone
Iowa Sioux City Central

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Example: (712) 566-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-566 Underwood, IA Qwest Corporation Pottawattamie Landline 02/04/1994

Other Series For Prefixes

712-5660###
712-5661###
712-5662###
712-5663###
712-5664###
712-5665###
712-5666###
712-5667###
712-5668###
712-5669###