Hermiston Zip Codes - Umatilla County OR

Hermiston, OR Zip Code Map

Hermiston, OR is a city located in Umatilla County, Oregon and has a land area of 202.40 square miles (524.21 km2). The water area for the city is 10.91 square miles or 28.26 km2. There is one unique zip code in Hermiston, Oregon and it is 97838. The area code(s) for Hermiston is 541/458.

Zip Codes for Hermiston, OR (1)
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97838 Hermiston Umatilla

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