ZIP Code 59645

59645 is one of Montana's ZIP codes, delivering to addresses in White Sulphur Springs, Meagher County.

City: White Sulphur Springs
County: Meagher County
State: Montana
Prefix: 596xx

Where this code sits

59645 is part of the 596xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to White Sulphur Springs.

White Sulphur Springs Montana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59645 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59645

The ZIP codes whose reference points sit closest to 59645.
ZIP code	Distance	Delivers to
ZIP code 59465	26 mi	Neihart, MT
ZIP code 59642	28 mi	Ringling, MT
ZIP code 59644	29 mi	Townsend, MT
ZIP code 59647	31 mi	Winston, MT
ZIP code 59463	32 mi	Monarch, MT
ZIP code 59641	41 mi	Radersburg, MT
ZIP code 59635	41 mi	East Helena, MT
ZIP code 59643	41 mi	Toston, 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 59645, plotted from its record coordinates.

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

Scope ZIP code 59645. 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.