ZIP Code 59740

59740 is one of Montana's ZIP codes, delivering to addresses in Mc Allister, Madison County.

City: Mc Allister
County: Madison County
State: Montana
Prefix: 597xx

Where this code sits

59740 is part of the 597xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mc Allister.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59740 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59740

The ZIP codes whose reference points sit closest to 59740.
ZIP code	Distance	Delivers to
ZIP code 59729	5.7 mi	Ennis, MT
ZIP code 59745	9.5 mi	Norris, MT
ZIP code 59755	11 mi	Virginia City, MT
ZIP code 59747	18 mi	Pony, MT
ZIP code 59749	19 mi	Sheridan, MT
ZIP code 59720	20 mi	Cameron, MT
ZIP code 59710	20 mi	Alder, MT
ZIP code 59716	22 mi	Big Sky, 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 59740, plotted from its record coordinates.

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

Scope ZIP code 59740. 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.