Twin Hills Colony ZIP codes, Montana
No ZIP code is named for Twin Hills Colony, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59420. Its area code is 406.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 48
- Area code
- 406
- County
- Chouteau County
- State
- Montana
NANPA lists no telephone rate centre for Twin Hills Colony itself, so these are the area codes of the nearest one, Carter (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Twin Hills Colony
These ZIP codes cover part of Twin Hills Colony but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59420 | Carter , MT | Standard | 164 | $88,438 | $117,100 |
Map of Twin Hills Colony ZIP codes
The ZIP codes of Twin Hills Colony, 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 Twin Hills Colony
The nearest larger towns are Riverview Colony (192 people, 12 mi), Carter (60 people, 18 mi) and Fort Benton (1,474 people, 23 mi).
More nearby: every ZIP code in Chouteau County · Montana ZIP codes
Cite this page
zipcodes.pro. “Twin Hills Colony, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/twin-hills-colony
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