ZIP Code 59430

59430 is one of Montana's ZIP codes, delivering to addresses in Denton, Fergus County.

City: Denton
County: Fergus County
State: Montana
Prefix: 594xx

Where this code sits

59430 is part of the 594xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Denton.

Denton Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59430 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59430

The ZIP codes whose reference points sit closest to 59430.
ZIP code	Distance	Delivers to
ZIP code 59424	10 mi	Coffee Creek, MT
ZIP code 59462	16 mi	Moccasin, MT
ZIP code 59479	19 mi	Stanford, MT
ZIP code 59452	22 mi	Hobson, MT
ZIP code 59451	25 mi	Hilger, MT
ZIP code 59464	25 mi	Moore, MT
ZIP code 59446	27 mi	Geraldine, MT
ZIP code 59457	28 mi	Lewistown, 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 59430, plotted from its record coordinates.

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

Scope ZIP code 59430. 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.