ZIP Code 59860

59860 is one of Montana's ZIP codes, delivering to addresses in Polson, Lake County.

City: Polson
County: Lake County
State: Montana
Prefix: 598xx

Where this code sits

59860 is part of the 598xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Polson.

Polson Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59860 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59860

The ZIP codes whose reference points sit closest to 59860.
ZIP code	Distance	Delivers to
ZIP code 59855	6.1 mi	Pablo, MT
ZIP code 59864	9.5 mi	Ronan, MT
ZIP code 59910	11 mi	Big Arm, MT
ZIP code 59914	14 mi	Dayton, MT
ZIP code 59915	14 mi	Elmo, MT
ZIP code 59931	16 mi	Rollins, MT
ZIP code 59824	17 mi	Charlo, MT
ZIP code 59929	21 mi	Proctor, 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 59860, plotted from its record coordinates.

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

Scope ZIP code 59860. 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.