Arco, ID ZIP Code

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

The ZIP code of Arco, ID is 83255. It is in Butte County.

Mailing address format for Arco

John Smith
123 Main St
ARCO ID 83255
USA

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

ZIP code	Population	Area
83255	—	208.2 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 Arco, ID?

The main ZIP code for Arco, ID is 83255.

How many ZIP codes does Arco have?

Arco has 1 ZIP code.

What county is Arco, ID in?

Arco is in Butte County, Idaho.

What time zone is Arco in?

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

What are the coordinates of Arco?

Latitude 43.63185, longitude -113.30107.

Last updated: November 14, 2026