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Phone Directory 712-623 Detail

State Major City Time Zone
Iowa Sioux City Central

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Example: (712) 623-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
712-623 Red Oak, IA Qwest Corporation Montgomery Landline 02/04/1994

Other Series For Prefixes

712-6230###
712-6231###
712-6232###
712-6233###
712-6234###
712-6235###
712-6236###
712-6237###
712-6238###
712-6239###