ZIP Code 59457

59457 is one of Montana's ZIP codes, delivering to addresses in Lewistown, Fergus County.

City: Lewistown
County: Fergus County
State: Montana
Prefix: 594xx

Where this code sits

59457 is part of the 594xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lewistown.

Lewistown Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59457 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59457

The ZIP codes whose reference points sit closest to 59457.
ZIP code	Distance	Delivers to
ZIP code 59451	14 mi	Hilger, MT
ZIP code 59464	14 mi	Moore, MT
ZIP code 59441	17 mi	Forest Grove, MT
ZIP code 59452	22 mi	Hobson, MT
ZIP code 59462	22 mi	Moccasin, MT
ZIP code 59418	25 mi	Buffalo, MT
ZIP code 59032	28 mi	Grass Range, MT
ZIP code 59430	28 mi	Denton, 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 59457, plotted from its record coordinates.

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

Scope ZIP code 59457. 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.