Ontario zipcode
| City | Ontario |
| ZIP Code | 91762 |
| Type | Standard |
| State Code | CA |
| State | California |
ZIP code of Ontario is 91762. This place is located in California state in US. To send any postal service to Ontario, you must use 91762 zipcode.
The ZIP code 91762 is also used with 1 more city name of California.
- Montclair, CA