| City: | Miami, Florida |
| City Alias: | South Miami |
| County: | Miami-Dade County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:25:40 PM |
| Population: | No Population Data |
| Area Codes: | 305 / 645 / 786 |
| Classification: | PO Box |
| Coordinates: | 25.7736, -80.1937 |
| Quick Link: |
The post office sits within the larger South Miami community, bordered by neighborhoods like Rosswood and University Gardens. Residents can choose between PO Box service or street delivery. Most addresses use the 33243 ZIP for PO Box mail, while surrounding areas typically receive street delivery through neighboring ZIP 33143.
The entire street delivery footprint consists of SW 70th Street, a single road with multi-unit addresses. This concentrated service area is typical of post offices that primarily serve PO Box customers while providing limited street delivery.
ZIP Code 33243 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 8 people with an annual payroll of $491,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 513Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 4Source: CBP |
| 1st Quarter Payroll: | $121,000Source: CBP |
| Annual Payroll: | $491,000Source: CBP |
| # of Employees: | 8Source: CBP |
ZIP Code 33243 is located in Miami-Dade County, Florida, within the Miami-Fort Lauderdale-West Palm Beach, FL Metropolitan Statistical Area (CBSA 33100) and Florida's 28th Congressional District. This Metro area has a population of 6,138,876 people, about 0.00% of whom live in ZIP Code 33243, and is subdivided into the Miami-Miami Beach-Kendall, FL division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Miami-Fort Lauderdale-West Palm Beach, FLSource: Census |
| CBSA Number: | 33100Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Miami-Miami Beach-Kendall, FL (CBSA Div 33124)Source: Census |
| CBSA Population: | 6,138,876Source: Census |
| MSA: | Miami-Fort Lauderdale, FL CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 28Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | Miami, FL PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1245000Source: Census |
| Place Name: | Miami city; FloridaSource: Census |
We could not locate which school district 33243 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.