Annex, OR ZIP Code

ZIP code, county, time zone and coordinates of Annex, Oregon

The ZIP code of Annex, OR is 97914. It is in Malheur County.

Mailing address format for Annex

John Smith
123 Main St
ANNEX OR 97914
USA

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

ZIP code	Population	Area
97914	—	260.2 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 Annex, OR?

The main ZIP code for Annex, OR is 97914.

How many ZIP codes does Annex have?

Annex has 1 ZIP code.

What county is Annex, OR in?

Annex is in Malheur County, Oregon.

What time zone is Annex in?

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

What are the coordinates of Annex?

Latitude 44.23425, longitude -116.99241.

Last updated: November 14, 2026