IONA Zip Code (SD)
The Zipcode for Iona is 57533. Iona is a township of Gregory, South Dakota in the Upper Plains region of the USA. It is located about 90 miles south-southeast of SD's capital city of Pierre. In the most recent US census the population of Iona was 81.
- Similar named locations
Iona (ID) is 625 miles west.
Iona (MN) is 188 miles east-northeast.
Iona (PA) is 1198 miles east.
- Qpzm Zip Codes South Dakota Suburb of the Day: Worthing -> Lincoln -> South Dakota