| City: | Ontario, California |
| County: | San Bernardino County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:37:55 AM |
| Population: | No Population Data |
| Area Codes: | 840 / 909 / 951 |
| Classification: | Standard [Normal Street Delivery] |
| Coordinates: | 34.0635, -117.6503 |
| Quick Link: |
ZIP Code 91758 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 67 people with an annual payroll of $3,342,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $773,000Source: CBP |
| Annual Payroll: | $3,342,000Source: CBP |
| # of Employees: | 67Source: CBP |
ZIP Code 91758 is located in San Bernardino County, California, within the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area (CBSA 40140) and California's 35th Congressional District. This Metro area has a population of 4,224,851 people, about 0.00% of whom live in ZIP Code 91758. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Riverside-San Bernardino-Ontario, CASource: Census |
| CBSA Number: | 40140Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 4,224,851Source: Census |
| MSA: | Los Angeles-Riverside-Orange County, CASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 35Source: USPS |
| Congressional Land Area: | 168.88 sq miSource: Census |
| PMSA: | Riverside-San Bernardino, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0653896Source: Census |
| Place Name: | Ontario city; CaliforniaSource: Census |
We could not locate which school district 91758 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.