Iona, ID ZIP Code

ZIP code, county, time zone and coordinates of Iona, Idaho

The ZIP code of Iona, ID is 83401. It is in Bonneville County.

Mailing address format for Iona

John Smith
123 Main St
IONA ID 83401
USA

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

ZIP code	Population	Area
83401	—	197.3 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 Iona, ID?

The main ZIP code for Iona, ID is 83401.

How many ZIP codes does Iona have?

Iona has 1 ZIP code.

What county is Iona, ID in?

Iona is in Bonneville County, Idaho.

What time zone is Iona in?

Iona is in the America/Boise time zone (MST, UTC-07:00 right now).

What are the coordinates of Iona?

Latitude 43.52811, longitude -111.93152.

Last updated: November 14, 2026