Ulm, AR ZIP Code

ZIP code, county, time zone and coordinates of Ulm, Arkansas

The ZIP code of Ulm, AR is 72170. It is in Prairie County.

Mailing address format for Ulm

John Smith
123 Main St
ULM AR 72170
USA

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

ZIP code	Population	Area
72170	—	5.2 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 Ulm, AR?

The main ZIP code for Ulm, AR is 72170.

How many ZIP codes does Ulm have?

Ulm has 1 ZIP code.

What county is Ulm, AR in?

Ulm is in Prairie County, Arkansas.

What time zone is Ulm in?

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

What are the coordinates of Ulm?

Latitude 34.57623, longitude -91.46169.

Last updated: November 14, 2026