Altamont ZIP codes, South Dakota
No ZIP code is named for Altamont, SD; addresses there use a neighbouring town's name. The ZIP code covering it is 57226. Its area code is 605.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 46
- Area code
- 605
- County
- Deuel County
- State
- South Dakota
NANPA lists no telephone rate centre for Altamont itself, so these are the area codes of the nearest one, Clear Lake (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Altamont
These ZIP codes cover part of Altamont but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57226 | Clear Lake , SD | Standard | 1,953 | $83,125 | $206,400 |
Map of Altamont ZIP codes
The ZIP codes of Altamont, 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 Altamont
The nearest larger towns are Clear Lake (1,327 people, 5.8 mi), Goodwin (101 people, 8.2 mi) and Kranzburg (175 people, 11 mi).
More nearby: every ZIP code in Deuel County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Altamont, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/altamont
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