Keldron ZIP code, South Dakota
The ZIP code for Keldron, SD is 57634, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 131
- Area code
- 605
- County
- Corson County
- State
- South Dakota
NANPA lists no telephone rate centre for Keldron itself, so these are the area codes of the nearest one, Lemmon (18.9 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Keldron
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57634 | Keldron , SD | Standard | 131 | $88,125 | $151,600 |
Map of Keldron ZIP codes
The ZIP codes of Keldron, 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 Keldron
The nearest larger towns are Lemmon (1,208 people, 18 mi), Isabel (214 people, 34 mi) and Bison (406 people, 34 mi).
More nearby: every ZIP code in Corson County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Keldron, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/keldron
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