ZIP Code 59931

59931 is one of Montana's ZIP codes, delivering to addresses in Rollins, Lake County.

City: Rollins
County: Lake County
State: Montana
Prefix: 599xx

Where this code sits

59931 is part of the 599xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rollins.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59931 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59931

The ZIP codes whose reference points sit closest to 59931.
ZIP code	Distance	Delivers to
ZIP code 59914	4.7 mi	Dayton, MT
ZIP code 59922	7.1 mi	Lakeside, MT
ZIP code 59929	7.5 mi	Proctor, MT
ZIP code 59915	8.4 mi	Elmo, MT
ZIP code 59910	9.2 mi	Big Arm, MT
ZIP code 59932	11 mi	Somers, MT
ZIP code 59911	12 mi	Bigfork, MT
ZIP code 59860	16 mi	Polson, 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 59931, plotted from its record coordinates.

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

Scope ZIP code 59931. 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.