ZIP Code 59035

59035 is one of Montana's ZIP codes, delivering to addresses in Fort Smith, Big Horn County.

City: Fort Smith
County: Big Horn County
State: Montana
Prefix: 590xx

Where this code sits

59035 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fort Smith.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59035 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59035

The ZIP codes whose reference points sit closest to 59035.
ZIP code	Distance	Delivers to
ZIP code 59075	6.4 mi	Saint Xavier, MT
ZIP code 59031	26 mi	Garryowen, MT
ZIP code 59050	28 mi	Lodge Grass, MT
ZIP code 59089	28 mi	Wyola, MT
ZIP code 59022	31 mi	Crow Agency, MT
ZIP code 59034	34 mi	Hardin, MT
ZIP code 82838	38 mi	Parkman, WY
ZIP code 82420	39 mi	Cowley, WY

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 59035, plotted from its record coordinates.

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

Scope ZIP code 59035. 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.