| City: | Fontana, California |
| County: | San Bernardino County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 6:28:56 PM |
| Population: | No Population Data |
| Area Codes: | 840 / 909 |
| Classification: | PO Box |
| Coordinates: | 34.0924, -117.4344 |
| Quick Link: |
ZIP code 92334 is a PO Box facility in Fontana, California that serves the city's Downtown Fontana neighborhood. Despite its PO Box classification, this isn't a traditional small-town post office. It operates as a point facility within the larger Fontana metropolitan area, which is part of the Riverside-San Bernardino metro region.
The post office maintains 1,012 PO Boxes and serves 330 business delivery points at a single location: Sierra Avenue. There's also limited street delivery with 192 records on Sierra Avenue, all designated as units. This pattern suggests a centralized mail facility handling both box and business services for a specific section of Fontana.
Fontana itself has other ZIP codes for residential street delivery (it has a standard sibling ZIP), so 92334 functions as a specialized postal facility rather than the city's primary delivery infrastructure. The facility sits within the Downtown Fontana neighborhood, near the Northgate and Walnut Village areas.
With 14 business establishments employing 229 workers associated with this ZIP, 92334 appears to serve commercial and PO Box customers in a defined urban area. The geometry type is MultiPoint (a point location rather than a geographic territory), and the ZIP falls within the boundaries of ZIP 92335.
Only Sierra Avenue appears in records, with all 192 addresses using unit designations, indicating a single facility or building.
ZIP Code 92334 supports both business and residential activity. According to the Business Census (2024), there are 14 business establishments, employing about 258 people with an annual payroll of $10,705,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,301Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 14Source: CBP |
| 1st Quarter Payroll: | $2,352,000Source: CBP |
| Annual Payroll: | $10,705,000Source: CBP |
| # of Employees: | 258Source: CBP |
ZIP Code 92334 is located in San Bernardino County, California, within the Metropolitan Statistical Area (CBSA ) and California's 35th Congressional District. This area has a population of 4,224,851 people, about 0.00% of whom live in ZIP Code 92334. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: 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: | 0624680Source: Census |
| Place Name: | Fontana city; CaliforniaSource: Census |
We could not locate which school district 92334 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 February 1, 2026.