Sioux City Community Dev 405 6th St Sioux City, IA 51101 Phone : (712) 279-6274 Sioux City Community Dev Business Category Administration Of Urban Planning & Community/Rural Dev Sioux City City Of--community Development Sioux City, IA 51101 Phone : (712) 279-6274 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools