St. Xavier ZIP code, Montana
The ZIP code for St. Xavier, MT is 59075, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 55
- Area code
- 406
- County
- Big Horn County
- State
- Montana
Also written Saint Xavier, the spelling the Postal Service uses.
NANPA lists no telephone rate centre for St. Xavier itself, so these are the area codes of the nearest one, Fort Smith (8.6 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Saint Xavier
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59075 | Saint Xavier , MT | Standard | 125 | $24,063 | $211,600 |
Map of St. Xavier ZIP codes
The ZIP codes of St. Xavier, 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 St. Xavier
The nearest larger towns are Fort Smith (78 people, 14 mi), Crow Agency (2,192 people, 16 mi) and Lodge Grass (429 people, 20 mi).
| Town | Population | Distance |
|---|---|---|
| Hardin | 3,742 | 20.5 mi |
More nearby: every ZIP code in Big Horn County · Montana ZIP codes
Cite this page
zipcodes.pro. “St. Xavier, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/st-xavier
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