| City: | San Ysidro, California |
| City Alias: | San Diego |
| County: | San Diego County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 6:25:41 PM |
| Population: | No Population Data |
| Area Codes: | 619 / 858 |
| Classification: | PO Box |
| Coordinates: | 32.7154, -117.1565 |
| Quick Link: |
ZIP code 92143 serves as a dedicated PO Box facility for the San Ysidro community in southern San Diego County. Located just north of the busiest land border crossing in the Western Hemisphere, this branch post office maintains 2,697 PO Boxes and 254 business delivery points. The facility operates within the larger 92173 ZIP code area, providing specialized mail services for border residents and businesses.
San Ysidro sits directly adjacent to Tijuana, Mexico, with millions of border crossings annually. The post office serves households and businesses in neighborhoods including San Ysidro proper, Tijuana River Valley, and nearby subdivisions like Verbena and Casitas De Las Florecitas. Mail addressed to either "San Ysidro" or "San Diego" is accepted for delivery to this ZIP code.
The PO Box service here isn't a necessity. Street delivery is available throughout the community via the standard 92173 ZIP code. However, many residents and businesses choose PO Boxes for convenience, security, or to maintain a consistent mailing address. The facility supports 6 business establishments employing 89 workers, with 254 business delivery points reflecting the commercial activity in this border community.
All street delivery associated with this ZIP uses W San Ysidro Blvd, the main commercial corridor running through the community. The single-street pattern indicates this is a specialized facility rather than a full-service post office covering residential routes. For most residential delivery needs, San Ysidro residents use the 92173 ZIP code.
Only one street address pattern exists, indicating a specialized PO Box facility rather than comprehensive delivery coverage.
ZIP Code 92143 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 85 people with an annual payroll of $1,951,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,562Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $588,000Source: CBP |
| Annual Payroll: | $1,951,000Source: CBP |
| # of Employees: | 85Source: CBP |
ZIP Code 92143 is located in San Diego County, California, within the Metropolitan Statistical Area (CBSA ) and California's 52nd Congressional District. This area has a population of 3,095,313 people, about 0.00% of whom live in ZIP Code 92143. 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: | 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: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 92143 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.