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Phone Directory 605-780 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
605-780 N Sioux City, SD Knology Of The Plains Union Landline 04/25/2001

Other Series For Prefixes

605-7800###
605-7801###
605-7802###
605-7803###
605-7804###
605-7805###
605-7806###
605-7807###
605-7808###
605-7809###