First Unitarian Church of Sioux City, Sioux City IA Visitor Information Meeting address: 2508 Jackson St. 51104 Sioux City, IA See map: Google Maps Services: 11:00 a.m. Contact InformationOffice phone: 712-258-3116siouxcityuu@cableone.nethttp://www.siouxcityuu.orgMailing Address: 2508 Jackson St.Sioux City Iowa 51104United States Administrative InformationOfficial name: First Unitarian Church of Sioux CityNumber of certified members: 60RE enrollment: 7Affiliated with the UUA: yesUUA Honor Society: yesPSD Honor Society: yes