Alton ZIP codes, Indiana
No ZIP code is named for Alton, IN; addresses there use a neighbouring town's name. The ZIP code covering it is 47137. Its area codes are 812 and 930.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 37
- County
- Crawford County
- State
- Indiana
NANPA lists no telephone rate centre for Alton itself, so these are the area codes of the nearest one, Leavenworth (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Alton
These ZIP codes cover part of Alton but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
47137 | Leavenworth , IN | Standard | 1,532 | $65,505 | $133,400 |
Map of Alton ZIP codes
The ZIP codes of Alton, IN, 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 Alton
The nearest larger towns are Leavenworth (397 people, 6.7 mi), New Amsterdam (92 people, 7.8 mi) and Leopold (150 people, 9.0 mi).
| Town | Population | Distance |
|---|---|---|
| Brandenburg, KY | 2,937 | 15.5 mi |
| Corydon | 3,157 | 17.2 mi |
| Tell City | 7,505 | 21.8 mi |
| Georgetown | 3,800 | 27.6 mi |
| Santa Claus | 2,793 | 27.7 mi |
| Fort Knox, KY | 8,836 | 29.2 mi |
More nearby: every ZIP code in Crawford County · Indiana ZIP codes
Cite this page
zipcodes.pro. “Alton, IN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/in/alton
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