ZIP Code 59873

59873 is one of Montana's ZIP codes, delivering to addresses in Thompson Falls, Sanders County.

City: Thompson Falls
County: Sanders County
State: Montana
Prefix: 598xx

Where this code sits

59873 is part of the 598xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Thompson Falls.

Thompson Falls Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59873 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59873

The ZIP codes whose reference points sit closest to 59873.
ZIP code	Distance	Delivers to
ZIP code 59830	15 mi	De Borgia, MT
ZIP code 59867	15 mi	Saltese, MT
ZIP code 59842	15 mi	Haugan, MT
ZIP code 59874	17 mi	Trout Creek, MT
ZIP code 59866	20 mi	Saint Regis, MT
ZIP code 83846	22 mi	Mullan, ID
ZIP code 83874	23 mi	Murray, ID
ZIP code 59859	24 mi	Plains, 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 59873, plotted from its record coordinates.

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

Scope ZIP code 59873. 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.