Kilby Butte Colony ZIP codes, Montana
No ZIP code is named for Kilby Butte Colony, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59072. Its area code is 406.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 20
- Area code
- 406
- County
- Musselshell County
- State
- Montana
NANPA lists no telephone rate centre for Kilby Butte Colony itself, so these are the area codes of the nearest one, Roundup (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Kilby Butte Colony
These ZIP codes cover part of Kilby Butte Colony but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59072 | Roundup , MT | Standard | 4,690 | $59,594 | $241,200 |
Map of Kilby Butte Colony ZIP codes
The ZIP codes of Kilby Butte 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 Kilby Butte Colony
The nearest larger towns are Roundup (2,003 people, 8.7 mi), Camp Three (139 people, 10 mi) and Klein (340 people, 11 mi).
More nearby: every ZIP code in Musselshell County · Montana ZIP codes
Cite this page
zipcodes.pro. “Kilby Butte Colony, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/kilby-butte-colony
Underlying data is public domain or openly licensed — sources, vintages and licences.