Sioux City Police-invstgtns 601 Douglas St Sioux City, IA 51101 Phone : (712) 279-6365 Business Category Police Departments Sioux City City Of--investigations Sioux City, IA 51101 Phone : (712) 279-6365 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Sioux City City Of--police Dept, Investigation Sioux City, IA 51101 Phone : (712) 279-6365 Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools