Postal Codes for Ontario, California
The postal codes for Ontario, California, United States (4 codes, e.g. 91758). With map location and coordinates.
✓ Verified data
The postal codes for Ontario, California, United States (4 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 91758 | Ontario | San Bernardino | 34.063, -117.651 |
| 91761 | Ontario | San Bernardino | 34.032, -117.619 |
| 91762 | Ontario | San Bernardino | 34.058, -117.667 |
| 91764 | Ontario | San Bernardino | 34.076, -117.625 |
‹ All postal codes in California
Frequently asked questions
What is the postal code of Ontario?
Ontario has 4 postal codes; the first is 91758. They are all listed above with their areas.
Why does Ontario have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.