Cardwell ZIP code, Montana
The ZIP code for Cardwell, MT is 59721, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 30
- Area code
- 406
- County
- Jefferson County
- State
- Montana
NANPA lists no telephone rate centre for Cardwell itself, so these are the area codes of the nearest one, Harrison (14.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Cardwell
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59721 | Cardwell , MT | Standard | 423 | $94,167 | $790,300 |
Map of Cardwell ZIP codes
The ZIP codes of Cardwell, 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 Cardwell
The nearest larger towns are Whitehall (1,156 people, 6.4 mi), Harrison (95 people, 14 mi) and Pony (78 people, 15 mi).
More nearby: every ZIP code in Jefferson County · Montana ZIP codes
Cite this page
zipcodes.pro. “Cardwell, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/cardwell
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