ZIP Code 59448

59448 is one of Montana's ZIP codes, delivering to addresses in Heart Butte, Pondera County.

City: Heart Butte
County: Pondera County
State: Montana
Prefix: 594xx

Where this code sits

59448 is part of the 594xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Heart Butte.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59448 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59448

The ZIP codes whose reference points sit closest to 59448.
ZIP code	Distance	Delivers to
ZIP code 59432	17 mi	Dupuyer, MT
ZIP code 59434	21 mi	East Glacier Park, MT
ZIP code 59417	21 mi	Browning, MT
ZIP code 59486	25 mi	Valier, MT
ZIP code 59467	27 mi	Pendroy, MT
ZIP code 59419	33 mi	Bynum, MT
ZIP code 59427	34 mi	Cut Bank, MT
ZIP code 59435	39 mi	Ethridge, 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 59448, plotted from its record coordinates.

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

Scope ZIP code 59448. 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.