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Fort Harrison, MT ZIP code

The ZIP code for Fort Harrison (also written Ft. Harrison), Montana is 59636. It is in Lewis and Clark County.

Population in these ZIPs
32
Avg. median income
—population-weighted
Typical home value
—population-weighted
Metro area
Helena, MT
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ZIP codes within 10 miles

Fort Harrison, MT ZIP code list

Fort Harrison, MT ZIP codes
ZIP codePopulationMedian incomeTypical home value
5963632——

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Fort Harrison

Frequently asked questions

What is the ZIP code for Fort Harrison, MT?

The ZIP code for Fort Harrison, MT is 59636.

What county is Fort Harrison, Montana in?

Fort Harrison ZIP codes are in Lewis and Clark County.