Ortley ZIP code, South Dakota
The ZIP code for Ortley, SD is 57256, and its area code is 605.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 73
- Area code
- 605
- County
- Grant County
- State
- South Dakota
NANPA lists no telephone rate centre for Ortley itself, so these are the area codes of the nearest one, Summit (5.8 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Ortley uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
ZIP codes addressed as Ortley
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57256 | Ortley , SD | Standard | 238 | $66,500 | $225,000 |
Other ZIP codes overlapping Ortley
These ZIP codes cover part of Ortley but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57273 | Waubay , SD | Standard | 1,165 | $48,167 | $177,400 |
Map of Ortley ZIP codes
The ZIP codes of Ortley, 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 Ortley
The nearest larger towns are Waubay (337 people, 4.9 mi), Enemy Swim (301 people, 7.6 mi) and Summit (359 people, 8.3 mi).
| Town | Population | Distance |
|---|---|---|
| Sisseton | 2,670 | 23.9 mi |
| Milbank | 3,525 | 28.9 mi |
| Watertown | 23,044 | 29.5 mi |
More nearby: every ZIP code in Grant County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Ortley, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/ortley
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