ZIP Code 33455 — Hobe Sound, FL
33455 is a standard (street delivery) ZIP code serving Hobe Sound, Florida, in Martin 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 33455 at a glance
| ZIP code | 33455 |
|---|---|
| Primary city | Hobe Sound |
| State | Florida (FL) |
| County | Martin FIPS 12085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 20,018 |
| Coordinates | 27.057480, -80.170300 |
How ZIP+4 works in 33455
The four digits after the hyphen encode a delivery segment inside 33455. 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 33455 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.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 33455.
| ZIP | City | Distance |
|---|---|---|
| 34997 | Stuart, FL | 6.3 mi |
| 33469 | Jupiter, FL | 6.4 mi |
| 33458 | Jupiter, FL | 8.8 mi |
| 33478 | Jupiter, FL | 10 mi |
| 34996 | Stuart, FL | 10 mi |
| 34994 | Stuart, FL | 11.1 mi |
| 33477 | Jupiter, FL | 11.4 mi |
| 34990 | Palm City, FL | 12.7 mi |
| 33418 | Palm Beach Gardens, FL | 13.6 mi |
| 33410 | Palm Beach Gardens, FL | 15.4 mi |
| 34957 | Jensen Beach, FL | 16.2 mi |
| 33408 | North Palm Beach, FL | 16.5 mi |
Questions about 33455
What is the ZIP+4 code for 33455?
33455 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 33455, you need to look up a specific street address to get them.
What city is 33455?
33455 is assigned to Hobe Sound, Florida, in Martin 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.