Ontario, CA Post Offices
Ontario, California has a population of 183,393. According to the 2021 census, the city's 3 post offices serve 49,624 households with a median income of 49,624. The city is located in San Bernardino County and has a land area of 129,425,158 and a water area of 75,071.
|
Post Office
|
Address
|
Phone
|
Hours
|
|---|---|---|---|
| Ontario, CA Post Office | 1555 E Holt Blvd, Ontario, California, CA, 91761-9998 |
909-933-3837
|
Today 08:30:00 - 17:00:00
|
Showing 1 to 1 of 1 results