Green Grass ZIP codes, South Dakota
No ZIP code is named for Green Grass, SD; addresses there use a neighbouring town's name. The ZIP code covering it is 57625. Its area code is 605.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 78
- Area code
- 605
- County
- Dewey County
- State
- South Dakota
NANPA lists no telephone rate centre for Green Grass itself, so these are the area codes of the nearest one, Eagle Butte (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Green Grass
These ZIP codes cover part of Green Grass but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57625 | Eagle Butte , SD | Standard | 3,775 | $43,235 | $68,000 |
Map of Green Grass ZIP codes
The ZIP codes of Green Grass, 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 Green Grass
The nearest larger towns are North Eagle Butte (1,481 people, 9.7 mi), Eagle Butte (1,458 people, 12 mi) and Dupree (557 people, 17 mi).
More nearby: every ZIP code in Dewey County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Green Grass, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/green-grass
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