| City: | Tustin, California |
| County: | Orange County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 10:29:00 PM |
| Population: | No Population Data |
| Area Code: | 657 |
| Classification: | PO Box |
| Coordinates: | 33.7392, -117.8162 |
| Quick Link: |
ZIP code 92781 serves as a dedicated PO Box facility for Tustin, California, in Orange County. Unlike most ZIP codes that cover geographic areas with streets and homes, this one exists only as a point location, specifically for the post office at E 1st Street. The facility maintains 1,077 PO Boxes alongside 613 business delivery points. Tustin residents who want a PO Box separate from their home address use this ZIP, while their homes fall under the neighboring 92780 ZIP code.
This isn't a PO Box Only Zone. Street delivery exists throughout the broader Tustin area via standard ZIP codes. The 92781 designation simply provides a distinct postal identity for box holders. Nearby neighborhoods include Santa Ana (0.7 miles), Lyon Street, Mabury Park, and Saddleback View. The post office handles both residential box rentals and business mail services, making it a convenient option for the surrounding Orange County community.
The single street address is the post office location itself.
ZIP Code 92781 supports both business and residential activity. According to the Business Census (2024), there are 17 business establishments, employing about 107 people with an annual payroll of $8,265,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,825Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 17Source: CBP |
| 1st Quarter Payroll: | $1,839,000Source: CBP |
| Annual Payroll: | $8,265,000Source: CBP |
| # of Employees: | 107Source: CBP |
ZIP Code 92781 is located in Orange County, California, within the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (CBSA 31080) and California's 45th Congressional District. This Metro area has a population of 13,012,469 people, about 0.00% of whom live in ZIP Code 92781, and is subdivided into the Anaheim-Santa Ana-Irvine, CA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Los Angeles-Long Beach-Anaheim, CASource: Census |
| CBSA Number: | 31080Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Anaheim-Santa Ana-Irvine, CA (CBSA Div 11244)Source: Census |
| CBSA Population: | 13,012,469Source: Census |
| MSA: | Los Angeles-Riverside-Orange County, CASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 45Source: USPS |
| Congressional Land Area: | 330.39 sq miSource: Census |
| PMSA: | Orange County, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0680854Source: Census |
| Place Name: | Tustin city; CaliforniaSource: Census |
We could not locate which school district 92781 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 January 1, 2026.