ZIP Code 59003

59003 is one of Montana's ZIP codes, delivering to addresses in Ashland, Rosebud County.

City: Ashland
County: Rosebud County
State: Montana
Prefix: 590xx

Where this code sits

59003 is part of the 590xx range, the group of codes handled by one mail processing centre. Ashland is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59003 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59003

The ZIP codes whose reference points sit closest to 59003.
ZIP code	Distance	Delivers to
ZIP code 59004	0.9 mi	Ashland, MT
ZIP code 59043	14 mi	Lame Deer, MT
ZIP code 59012	23 mi	Birney, MT
ZIP code 59016	29 mi	Busby, MT
ZIP code 59323	30 mi	Colstrip, MT
ZIP code 59351	34 mi	Volborg, MT
ZIP code 59062	35 mi	Otter, MT
ZIP code 59343	36 mi	Olive, 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 59003, plotted from its record coordinates.

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

Scope ZIP code 59003. 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.