ZIP Code 59831

59831 is one of Montana's ZIP codes, delivering to addresses in Dixon, Sanders County.

City: Dixon
County: Sanders County
State: Montana
Prefix: 598xx

Where this code sits

59831 is part of the 598xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dixon.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59831 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59831

The ZIP codes whose reference points sit closest to 59831.
ZIP code	Distance	Delivers to
ZIP code 59863	6.4 mi	Ravalli, MT
ZIP code 59824	11 mi	Charlo, MT
ZIP code 59865	11 mi	Saint Ignatius, MT
ZIP code 59821	14 mi	Arlee, MT
ZIP code 59846	18 mi	Huson, MT
ZIP code 59834	19 mi	Frenchtown, MT
ZIP code 59864	19 mi	Ronan, MT
ZIP code 59855	22 mi	Pablo, 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 59831, plotted from its record coordinates.

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

Scope ZIP code 59831. 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.