ZIP Code 59343

59343 is one of Montana's ZIP codes, delivering to addresses in Olive, Powder River County.

City: Olive
County: Powder River County
State: Montana
Prefix: 593xx

Where this code sits

59343 is part of the 593xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Olive.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59343 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59343

The ZIP codes whose reference points sit closest to 59343.
ZIP code	Distance	Delivers to
ZIP code 59351	22 mi	Volborg, MT
ZIP code 59317	24 mi	Broadus, MT
ZIP code 59345	25 mi	Powderville, MT
ZIP code 59316	31 mi	Boyes, MT
ZIP code 59314	33 mi	Biddle, MT
ZIP code 59004	36 mi	Ashland, MT
ZIP code 59003	36 mi	Ashland, MT
ZIP code 59062	44 mi	Otter, 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 59343, plotted from its record coordinates.

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

Scope ZIP code 59343. 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.