ZIP Code 59025

59025 is one of Montana's ZIP codes, delivering to addresses in Decker, Big Horn County.

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

Where this code sits

59025 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Decker.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59025 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59025

The ZIP codes whose reference points sit closest to 59025.
ZIP code	Distance	Delivers to
ZIP code 59012	19 mi	Birney, MT
ZIP code 82839	23 mi	Ranchester, WY
ZIP code 59016	26 mi	Busby, MT
ZIP code 59050	26 mi	Lodge Grass, MT
ZIP code 82838	27 mi	Parkman, WY
ZIP code 59089	28 mi	Wyola, MT
ZIP code 82801	28 mi	Sheridan, WY
ZIP code 82836	30 mi	Dayton, 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 59025, plotted from its record coordinates.

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

Scope ZIP code 59025. 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.