Agar ZIP code, South Dakota
The ZIP code for Agar, SD is 57520, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 81
- Area code
- 605
- County
- Sully County
- State
- South Dakota
NANPA lists no telephone rate centre for Agar itself, so these are the area codes of the nearest one, Onida (11.7 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Agar
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57520 | Agar , SD | Standard | 118 | $50,417 | $118,800 |
Map of Agar ZIP codes
The ZIP codes of Agar, 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 Agar
The nearest larger towns are Onida (644 people, 9.3 mi), Gettysburg (1,260 people, 13 mi) and Blunt (216 people, 23 mi).
More nearby: every ZIP code in Sully County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Agar, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/agar
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