ZIP Code 59641

59641 is one of Montana's ZIP codes, delivering to addresses in Radersburg, Broadwater County.

City: Radersburg
County: Broadwater County
State: Montana
Prefix: 596xx

Where this code sits

59641 is part of the 596xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Radersburg.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59641 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59641

The ZIP codes whose reference points sit closest to 59641.
ZIP code	Distance	Delivers to
ZIP code 59643	3.3 mi	Toston, MT
ZIP code 59644	11 mi	Townsend, MT
ZIP code 59647	17 mi	Winston, MT
ZIP code 59638	22 mi	Jefferson City, MT
ZIP code 59721	23 mi	Cardwell, MT
ZIP code 59752	23 mi	Three Forks, MT
ZIP code 59632	23 mi	Boulder, MT
ZIP code 59634	25 mi	Clancy, 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 59641, plotted from its record coordinates.

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

Scope ZIP code 59641. 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.