Richland ZIP codes, South Dakota
No ZIP code is named for Richland, SD; addresses there use a neighbouring town's name. The ZIP code covering it is 57025. Its area code is 605.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 107
- Area code
- 605
- County
- Union County
- State
- South Dakota
NANPA lists no telephone rate centre for Richland itself, so these are the area codes of the nearest one, Elk Point (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Richland
These ZIP codes cover part of Richland but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57025 | Elk Point , SD | Standard | 3,120 | $94,839 | $237,900 |
Map of Richland ZIP codes
The ZIP codes of Richland, SD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Richland
The nearest larger towns are Westfield, IA (123 people, 2.2 mi), Elk Point (2,537 people, 5.9 mi) and Akron, IA (1,689 people, 6.4 mi).
| Town | Population | Distance |
|---|---|---|
| Elk Point | 2,537 | 5.9 mi |
| Vermillion | 11,878 | 14.1 mi |
| North Sioux City | 3,045 | 17.5 mi |
| Hawarden, IA | 2,658 | 18.4 mi |
| Dakota Dunes | 3,936 | 20.6 mi |
| Sioux City, IA | 86,101 | 22.7 mi |
| South Sioux City, NE | 13,907 | 24.0 mi |
| Le Mars, IA | 10,640 | 24.1 mi |
| Dakota City, NE | 2,675 | 26.5 mi |
| Sergeant Bluff, IA | 5,171 | 29.4 mi |
More nearby: every ZIP code in Union County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Richland, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/richland
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