Ontario Zip Codes - Malheur County OR

Ontario, OR Zip Code Map

Ontario, OR is a city located in Malheur County, Oregon and has a land area of 260.16 square miles (673.81 km2). The water area for the city is 2.68 square miles or 6.94 km2. There is one unique zip code in Ontario, Oregon and it is 97914. The area code(s) for Ontario is 541/458.

Zip Codes for Ontario, OR (1)

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97914 Ontario Malheur

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