ZIP Code 59011

59011 is one of Montana's ZIP codes, delivering to addresses in Big Timber, Sweet Grass County.

City: Big Timber
County: Sweet Grass County
State: Montana
Prefix: 590xx

Where this code sits

59011 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Big Timber.

Big Timber Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59011 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59011

The ZIP codes whose reference points sit closest to 59011.
ZIP code	Distance	Delivers to
ZIP code 59033	9.7 mi	Greycliff, MT
ZIP code 59082	14 mi	Springdale, MT
ZIP code 59052	16 mi	Mc Leod, MT
ZIP code 59055	21 mi	Melville, MT
ZIP code 59069	22 mi	Reed Point, MT
ZIP code 59061	28 mi	Nye, MT
ZIP code 59001	32 mi	Absarokee, MT
ZIP code 59067	35 mi	Rapelje, 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 59011, plotted from its record coordinates.

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

Scope ZIP code 59011. 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.