Letha, ID ZIP Code

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

The ZIP code of Letha, ID is 83636. It is in Gem County.

Mailing address format for Letha

John Smith
123 Main St
LETHA ID 83636
USA

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

ZIP code	Population	Area
83636	—	2.5 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 Letha, ID?

The main ZIP code for Letha, ID is 83636.

How many ZIP codes does Letha have?

Letha has 1 ZIP code.

What county is Letha, ID in?

Letha is in Gem County, Idaho.

What time zone is Letha in?

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

What are the coordinates of Letha?

Latitude 43.89289, longitude -116.64626.

Last updated: November 14, 2026