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ZIP codes in Umatilla County, Oregon

Umatilla County, Oregon has 13 ZIP codes in this list, from 97801 to 97886. They cover 13 places, among them Pendleton, Adams, Athena and Echo.

The ZIP code areas of Umatilla County add up to about 2,869 square miles of land (7,431 sq km) as the Census Bureau draws them. The largest is 97801 (Pendleton), with 496 square miles.

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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