North Sioux Dental Clinic Return to Directory Business Category Medical/Dental/Optometrist, Professional Services Business Description Comprehensive Dental Services Business Hours Monday - Thursday 8am - 5pm Friday 8am - 12noon Business Website http://northsiouxdental.com/ Business Phone Number 605-232-8802 Business Fax 605-232-0973 Business Address 101 Merrill Ave PO Box 1010 North Sioux City, SD 57049