ZIP Code 34120 — Naples, FL
34120 is a standard (street delivery) ZIP code serving Naples, Florida, in Collier County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 34120 at a glance
| ZIP code | 34120 |
|---|---|
| Primary city | Naples |
| State | Florida (FL) |
| County | Collier FIPS 12021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 42,345 |
| Coordinates | 26.313820, -81.583440 |
How ZIP+4 works in 34120
The four digits after the hyphen encode a delivery segment inside 34120. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 34120 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Other ZIP codes in Naples
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 34120.
| ZIP | City | Distance |
|---|---|---|
| 34119 | Naples, FL | 8.8 mi |
| 34135 | Bonita Springs, FL | 10 mi |
| 33928 | Estero, FL | 11.5 mi |
| 34116 | Naples, FL | 11.7 mi |
| 34109 | Naples, FL | 12.2 mi |
| 34110 | Naples, FL | 12.5 mi |
| 34117 | Naples, FL | 13.6 mi |
| 34105 | Naples, FL | 14 mi |
| 34108 | Naples, FL | 14.6 mi |
| 34104 | Naples, FL | 14.8 mi |
| 33965 | Fort Myers, FL | 15.3 mi |
| 33913 | Fort Myers, FL | 15.7 mi |
Questions about 34120
What is the ZIP+4 code for 34120?
34120 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 34120, you need to look up a specific street address to get them.
What city is 34120?
34120 is assigned to Naples, Florida, in Collier County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.