Ontario, OR ZIP Codes, Coordinates & Counties
Ontario, Oregon has 1 ZIP code in Malheur county. The approximate center of Ontario is 44.113, -117.084. Ontario has about 187,549 known street addresses.
ZIP codes in Ontario, OR
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 97914 | Malheur | 44.113 | -117.084 |
Counties Ontario spans
Malheur
Most common streets in Ontario
5th, 4th, 6th, 3rd, 18th, 1st, 2nd, 11th, 7th, 12th
Frequently asked questions
What ZIP codes are in Ontario, OR?
Ontario, Oregon has 1 ZIP code, ranging from 97914 to 97914. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Ontario, OR in?
Ontario is in Malheur county.
What are the latitude and longitude of Ontario, OR?
The approximate center of Ontario, Oregon is latitude 44.113, longitude -117.084. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Ontario, OR have?
Ontario has 1 ZIP code.
How many addresses are in Ontario, OR?
Ontario, Oregon has about 187,549 known street addresses in the sthan.io US address database.
What are the most common streets in Ontario, OR?
Some of the most common street names in Ontario are 5th, 4th, 6th, 3rd, 18th, 1st.
What cities are near Ontario, OR?
Cities near Ontario include Fruitland (13 mi), Vale (15 mi), New Plymouth (18 mi), Jamieson (19 mi), Payette (19 mi).
Cities near Ontario
Fruitland, ID (13 mi) Vale, OR (15 mi) New Plymouth, ID (18 mi) Jamieson, OR (19 mi) Payette, ID (19 mi) Weiser, ID (19 mi) Parma, ID (23 mi) Huntington, OR (24 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database