ZIP Code 33040 – Key West, FL
Key West, Florida · Monroe County · Eastern time
| ZIP code | 33040 |
|---|---|
| City | Key West |
| State | Florida |
| County | Monroe County |
| Population | 35,429 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 17.72 sq mi |
| Center (lat, long) | 24.5446, -81.9217 |
Area codes in this area
These are the area codes that most often serve ZIP 33040 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 33040
ZIP code 33040 is assigned to Key West, Florida. It lies in Monroe County. Its Census area covers about 17.72 square miles of land. The closest neighboring ZIP is 33041 (Key West), about 8.8 miles away.
Every address in 33040 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources