Dewey ZIP codes, Montana
No ZIP code is named for Dewey, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59727. Its area code is 406.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 26
- Area code
- 406
- County
- Silver Bow County
- State
- Montana
NANPA lists no telephone rate centre for Dewey itself, so these are the area codes of the nearest one, Divide (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Dewey
These ZIP codes cover part of Dewey but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59727 | Divide , MT | Standard | 293 | $64,583 | $357,900 |
Map of Dewey ZIP codes
The ZIP codes of Dewey, 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 Dewey
The nearest larger towns are Wise River (30 people, 4.6 mi), Butte-Silver Bow (35,052 people, 12 mi) and Walkerville (733 people, 24 mi).
| Town | Population | Distance |
|---|---|---|
| Butte-Silver Bow | 35,052 | 12.5 mi |
| Anaconda-Deer Lodge County | 9,597 | 26.1 mi |
More nearby: every ZIP code in Silver Bow County · Montana ZIP codes
Cite this page
zipcodes.pro. “Dewey, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/dewey
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