Garrison ZIP code, Montana
The ZIP code for Garrison, MT is 59731, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 106
- Area code
- 406
- County
- Powell County
- State
- Montana
NANPA lists no telephone rate centre for Garrison itself, so these are the area codes of the nearest one, Avon (8.7 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Garrison
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59731 | Garrison , MT | Standard | 198 | $90,000 | $566,200 |
Map of Garrison ZIP codes
The ZIP codes of Garrison, MT, 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 Garrison
The nearest larger towns are Deer Lodge (3,021 people, 11 mi), Avon (173 people, 13 mi) and Elliston (182 people, 17 mi).
| Town | Population | Distance |
|---|---|---|
| Deer Lodge | 3,021 | 10.6 mi |
More nearby: every ZIP code in Powell County · Montana ZIP codes
Cite this page
zipcodes.pro. “Garrison, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/garrison
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