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Melville, MT ZIP code

The ZIP code for Melville, Montana is 59055. It is in Sweet Grass County.

Population in these ZIPs
40
Avg. median income
$163,800population-weighted
Typical home value
—population-weighted
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ZIP codes within 10 miles

Melville, MT ZIP code list

Melville, MT ZIP codes
ZIP codePopulationMedian incomeTypical home value
5905540$163,750—

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 Melville

Frequently asked questions

What is the ZIP code for Melville, MT?

The ZIP code for Melville, MT is 59055.

What county is Melville, Montana in?

Melville ZIP codes are in Sweet Grass County.