Oslo, MN ZIP Code

ZIP code, county, time zone and coordinates of Oslo, Minnesota

The ZIP code of Oslo, MN is 56744. It is in Marshall County.

Mailing address format for Oslo

John Smith
123 Main St
OSLO MN 56744
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

ZIP code	Population	Area
56744	—	96.1 sq mi	Main

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

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What is the ZIP code for Oslo, MN?

The main ZIP code for Oslo, MN is 56744.

How many ZIP codes does Oslo have?

Oslo has 1 ZIP code.

What county is Oslo, MN in?

Oslo is in Marshall County, Minnesota.

What time zone is Oslo in?

Oslo is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of Oslo?

Latitude 48.19563, longitude -97.13144.

Last updated: November 14, 2026