| City: | Imperial Beach, California |
| City Alias: | Imperial Bch |
| County: | San Diego County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 6:22:28 PM |
| Population: | No Population Data |
| Area Codes: | 619 / 858 |
| Classification: | PO Box |
| Coordinates: | 32.5839, -117.1124 |
| Quick Link: |
ZIP 91933 serves a specific location in Imperial Beach, California, rather than a geographic area. This PO Box ZIP maintains 577 boxes and provides mail service to 135 business delivery points, all concentrated at a single address on Donax Avenue. The facility uses multi-unit designators, with 94 ZIP+4 records showing UNIT-style addressing.
This isn't a full-service community ZIP. Imperial Beach residents receive street delivery through the neighboring ZIP 91932, which handles residential mail for the city. ZIP 91933 functions as a specialized postal facility, likely serving a large multi-tenant building or business complex. The city delivery indicator shows "Y" but delivery is limited to one city carrier route serving just Donax Avenue.
Imperial Beach sits at the southern tip of San Diego County, the southernmost beach city in Southern California. The city borders Tijuana, Mexico, and serves as a coastal community within the San Diego metropolitan area. Nearby neighborhoods include Dolphin Bay, Imperial Palms, and Egger Highlands.
Mail addressed to this ZIP should use either a PO Box number or the Donax Avenue street address with a unit designation. For general Imperial Beach addresses, use ZIP 91932.
Single street serving a multi-unit facility.
ZIP Code 91933 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 31 people with an annual payroll of $1,217,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,594Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $304,000Source: CBP |
| Annual Payroll: | $1,217,000Source: CBP |
| # of Employees: | 31Source: CBP |
ZIP Code 91933 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 91933. 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: | 0636294Source: Census |
| Place Name: | Imperial Beach city; CaliforniaSource: Census |
We could not locate which school district 91933 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.