Ontario ZIP codes are 91758, 91761, 91761, 91764 and 91798. Ontario is a city in San Bernardino County, California, United States, located in the Inland Empire region of Southern California.
| Name | City of Ontario |
|---|---|
| ZIP Code | 91758, 91761, 91761, 91764, 91798 |
| Area Code | 909 |
| County | Bernardino |
| State | California (CA) |
| Country | United States (US) |
| Region | North America |
For more details on the list of Postal codes or ZIP codes in Ontario, find the code along with the place.
| City | Zipcode | County | State |
|---|---|---|---|
| Ontario | 91758 | San Bernardino | California |
| Ontario | 91761 | San Bernardino | California |
| Ontario | 91762 | San Bernardino | California |
| Ontario | 91764 | San Bernardino | California |
| Ontario | 91798 | San Bernardino | California |