Yankton City Of--general Information 416 Walnut St Yankton, SD 57078 Phone : (605) 668-5200 Business Category Government Offices-City Village & Twp Business Services Business Information & Referral Services General Business Services Government Offices State & Local Government Offices & Public Schools Yankton Police Department Records 416 Walnut St Yankton, SD 57078 Phone : (605) 668-5200 Yankton Police Department Records Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools Yankton City Of--police, Police Records Yankton, SD 57078 Phone : (605) 668-5200 Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools