ZIP Code 59830

59830 is one of Montana's ZIP codes, delivering to addresses in De Borgia, Mineral County.

City: De Borgia
County: Mineral County
State: Montana
Prefix: 598xx

Where this code sits

59830 is part of the 598xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to De Borgia.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 59830 delivers to without sharing its boundary.

406 Area code 406

ZIP codes nearest 59830

The ZIP codes whose reference points sit closest to 59830.
ZIP code	Distance	Delivers to
ZIP code 59842	2.4 mi	Haugan, MT
ZIP code 59867	7.7 mi	Saltese, MT
ZIP code 59866	9.1 mi	Saint Regis, MT
ZIP code 59873	15 mi	Thompson Falls, MT
ZIP code 83846	22 mi	Mullan, ID
ZIP code 59859	22 mi	Plains, MT
ZIP code 83802	26 mi	Avery, ID
ZIP code 59856	26 mi	Paradise, 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 59830, plotted from its record coordinates.

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

Scope ZIP code 59830. 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.