ZIP Code 59031

59031 is one of Montana's ZIP codes, delivering to addresses in Garryowen, Big Horn County.

City: Garryowen
County: Big Horn County
State: Montana
Prefix: 590xx

Where this code sits

59031 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Garryowen.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59031 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59031

The ZIP codes whose reference points sit closest to 59031.
ZIP code	Distance	Delivers to
ZIP code 59022	7.7 mi	Crow Agency, MT
ZIP code 59050	15 mi	Lodge Grass, MT
ZIP code 59034	17 mi	Hardin, MT
ZIP code 59075	21 mi	Saint Xavier, MT
ZIP code 59035	26 mi	Fort Smith, MT
ZIP code 59089	28 mi	Wyola, MT
ZIP code 59016	30 mi	Busby, MT
ZIP code 59010	34 mi	Bighorn, MT

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 59031, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 59031. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.