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  • Phone Directory 605-487 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
    605-487 Lake Andes, SD Fort Randall Telco DBA Mt Rushmore Telephone Co Charles Mix Landline 02/04/1994

    Other Series For Prefixes