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Phone Directory 605-923 Detail

State Major City Time Zone
South Dakota Sioux Falls Central / Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
605-923 Box Elder, SD Qwest Corporation Pennington Landline 02/04/1994

Other Series For Prefixes

605-9230###
605-9231###
605-9232###
605-9233###
605-9234###
605-9235###
605-9236###
605-9237###
605-9238###
605-9239###