ZIP Code 59311

59311 is one of Montana's ZIP codes, delivering to addresses in Alzada, Carter County.

City: Alzada
County: Carter County
State: Montana
Prefix: 593xx

Where this code sits

59311 is part of the 593xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Alzada.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59311 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59311

The ZIP codes whose reference points sit closest to 59311.
ZIP code	Distance	Delivers to
ZIP code 59319	22 mi	Capitol, MT
ZIP code 82710	29 mi	Aladdin, WY
ZIP code 59332	31 mi	Hammond, MT
ZIP code 82711	34 mi	Alva, WY
ZIP code 82720	34 mi	Hulett, WY
ZIP code 57724	35 mi	Camp Crook, SD
ZIP code 57776	36 mi	Redig, SD
ZIP code 57717	39 mi	Belle Fourche, SD

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 59311, plotted from its record coordinates.

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

Scope ZIP code 59311. 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.