ZIP Code 59863

59863 is one of Montana's ZIP codes, delivering to addresses in Ravalli, Lake County.

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

Where this code sits

59863 is part of the 598xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ravalli.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59863 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59863

The ZIP codes whose reference points sit closest to 59863.
ZIP code	Distance	Delivers to
ZIP code 59865	6.1 mi	Saint Ignatius, MT
ZIP code 59831	6.4 mi	Dixon, MT
ZIP code 59821	8.0 mi	Arlee, MT
ZIP code 59824	11 mi	Charlo, MT
ZIP code 59834	16 mi	Frenchtown, MT
ZIP code 59846	19 mi	Huson, MT
ZIP code 59864	19 mi	Ronan, MT
ZIP code 59808	21 mi	Missoula, 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 59863, plotted from its record coordinates.

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

Scope ZIP code 59863. 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.