ZIP Code 59275

59275 is one of Montana's ZIP codes, delivering to addresses in Westby, Sheridan County.

City: Westby
County: Sheridan County
State: Montana
Prefix: 592xx

Where this code sits

59275 is part of the 592xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Westby.

Westby Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59275 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59275

The ZIP codes whose reference points sit closest to 59275.
ZIP code	Distance	Delivers to
ZIP code 58844	18 mi	Fortuna, ND
ZIP code 59219	18 mi	Dagmar, MT
ZIP code 59211	19 mi	Antelope, MT
ZIP code 59254	21 mi	Plentywood, MT
ZIP code 59256	21 mi	Raymond, MT
ZIP code 58845	25 mi	Grenora, ND
ZIP code 59252	28 mi	Outlook, MT
ZIP code 58856	29 mi	Zahl, ND

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 59275, plotted from its record coordinates.

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

Scope ZIP code 59275. 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.