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  • Phone Directory 605-631 Detail

    State Major City Time Zone
    South Dakota Sioux Falls Central / Mountain (6:12am / 5:12am)

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    Area Code Prefixes

    Prefix Primary City Company County Usage Introduced
    605-631 Deadwood, SD Cellco Partnership DBA Verizon Wireless Lawrence Cell Number 07/06/1997

    Other Series For Prefixes