ZIP Code 59054

59054 is one of Montana's ZIP codes, delivering to addresses in Melstone, Musselshell County.

City: Melstone
County: Musselshell County
State: Montana
Prefix: 590xx

Where this code sits

59054 is part of the 590xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Melstone.

Melstone Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59054 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59054

The ZIP codes whose reference points sit closest to 59054.
ZIP code	Distance	Delivers to
ZIP code 59059	12 mi	Musselshell, MT
ZIP code 59083	15 mi	Sumatra, MT
ZIP code 59058	21 mi	Mosby, MT
ZIP code 59039	24 mi	Ingomar, MT
ZIP code 59087	32 mi	Winnett, MT
ZIP code 59038	35 mi	Hysham, MT
ZIP code 59024	35 mi	Custer, MT
ZIP code 59077	39 mi	Sand Springs, 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 59054, plotted from its record coordinates.

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

Scope ZIP code 59054. 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.