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Fort Peck, MT ZIP code

The ZIP code for Fort Peck (also written Ft. Peck), Montana is 59223. It is in McCone County.

Population in these ZIPs
19
Avg. median income
—population-weighted
Typical home value
$388,500population-weighted
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ZIP codes within 10 miles

Fort Peck, MT ZIP code list

Fort Peck, MT ZIP codes
ZIP codePopulationMedian incomeTypical home value
5922319—$388,500

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 Peck

Frequently asked questions

What is the ZIP code for Fort Peck, MT?

The ZIP code for Fort Peck, MT is 59223.

What county is Fort Peck, Montana in?

Fort Peck ZIP codes are in McCone County.