| City: | Chula Vista, California |
| County: | San Diego County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:38:31 AM |
| Population: | No Population Data |
| Area Codes: | 619 / 858 |
| Classification: | PO Box |
| Coordinates: | 32.6474, -117.0549 |
| Quick Link: |
ZIP 91921 serves the Eastlake Business Park area in Chula Vista, California. This isn't a residential community. With zero population in its Census tabulation area, it functions as a business services ZIP within the larger Chula Vista postal system.
The post office maintains 901 PO Boxes primarily for businesses and serves 332 commercial delivery points. A single street appears in the ZIP+4 records: Kuhn Drive with 127 unit addresses. This pattern suggests a concentrated business or office park rather than a traditional neighborhood.
Chula Vista residents in surrounding areas receive mail through other ZIP codes, including the neighboring 91914 which encompasses this location geographically. The PO Box classification reflects the original purpose of this ZIP when it was established before October 2004, but it isn't a PO Box Only Zone. Street delivery is available for businesses at the Kuhn Drive location through city carrier route C005.
Only one street serves this business-focused ZIP: Kuhn Drive with unit-based addressing.
ZIP Code 91921 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 62 people with an annual payroll of $4,593,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,313Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $979,000Source: CBP |
| Annual Payroll: | $4,593,000Source: CBP |
| # of Employees: | 62Source: CBP |
ZIP Code 91921 is located in San Diego County, California, within the San Diego-Chula Vista-Carlsbad, CA Metropolitan Statistical Area (CBSA 41740) and California's 52nd Congressional District. This Metro area has a population of 3,095,313 people, about 0.00% of whom live in ZIP Code 91921. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Diego-Chula Vista-Carlsbad, CASource: Census |
| CBSA Number: | 41740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 3,095,313Source: Census |
| MSA: | San Diego, CA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 52Source: USPS |
| Congressional Land Area: | 267 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0613392Source: Census |
| Place Name: | Chula Vista city; CaliforniaSource: Census |
We could not locate which school district 91921 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.