Oldham ZIP code, South Dakota
The ZIP code for Oldham, SD is 57051, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 75
- Area code
- 605
- County
- Kingsbury County
- State
- South Dakota
NANPA lists no telephone rate centre for Oldham itself, so these are the area codes of the nearest one, Lake Preston (11.5 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Oldham
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57051 | Oldham , SD | Standard | 163 | $56,250 | $112,500 |
Map of Oldham ZIP codes
The ZIP codes of Oldham, 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 Oldham
The nearest larger towns are Ramona (538 people, 8.8 mi), Lake Preston (596 people, 9.8 mi) and Arlington (920 people, 13 mi).
More nearby: every ZIP code in Kingsbury County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Oldham, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/oldham
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