ZIP Code 59010

59010 is one of Montana's ZIP codes, delivering to addresses in Bighorn, Treasure County.

City: Bighorn
County: Treasure County
State: Montana
Prefix: 590xx

Where this code sits

59010 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bighorn.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59010 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59010

The ZIP codes whose reference points sit closest to 59010.
ZIP code	Distance	Delivers to
ZIP code 59024	17 mi	Custer, MT
ZIP code 59038	19 mi	Hysham, MT
ZIP code 59034	22 mi	Hardin, MT
ZIP code 59076	23 mi	Sanders, MT
ZIP code 59022	27 mi	Crow Agency, MT
ZIP code 59064	29 mi	Pompeys Pillar, MT
ZIP code 59323	33 mi	Colstrip, MT
ZIP code 59031	34 mi	Garryowen, 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 59010, plotted from its record coordinates.

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

Scope ZIP code 59010. 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.