| City: | Miami, Florida |
| County: | Miami-Dade County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:34:38 PM |
| Population: | No Population Data |
| Area Codes: | 305 / 645 / 786 |
| Classification: | PO Box |
| Coordinates: | 25.7676, -80.1904 |
| Quick Link: |
This isn't a geographic community with its own character. It's a postal designation that provides box services for Miami's financial district. The ZIP has no residential population and covers no measurable land area. Most customers receive their physical mail at street addresses in the surrounding 33131 ZIP code but maintain boxes here for convenience or business purposes. The single street route serves Brickell Bay Drive, home to waterfront condominiums and the Brickell financial district.
The street names reflect the Brickell waterfront location, with nearly all delivery points on Brickell Bay Drive, a corridor known for luxury high-rise condominiums along Biscayne Bay.
ZIP Code 33231 supports both business and residential activity. According to the Business Census (2024), there are 25 business establishments, employing about 61 people with an annual payroll of $5,288,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 379Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 25Source: CBP |
| 1st Quarter Payroll: | $1,242,000Source: CBP |
| Annual Payroll: | $5,288,000Source: CBP |
| # of Employees: | 61Source: CBP |
ZIP Code 33231 is located in Miami-Dade County, Florida, within the Miami-Fort Lauderdale-West Palm Beach, FL Metropolitan Statistical Area (CBSA 33100) and Florida's 27th Congressional District. This Metro area has a population of 5,564,635 people, about 0.00% of whom live in ZIP Code 33231, 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: | 5,564,635Source: Census |
| MSA: | Miami-Fort Lauderdale, FL CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 27Source: USPS |
| Congressional Land Area: | 208.84 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 33231 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.