ZIP Code 32730 — Casselberry, FL
32730 is a standard (street delivery) ZIP code serving Casselberry, Florida, in Seminole 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 32730 at a glance
| ZIP code | 32730 |
|---|---|
| Primary city | Casselberry |
| State | Florida (FL) |
| County | Seminole FIPS 12117 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 6,091 |
| Coordinates | 28.652420, -81.343010 |
How ZIP+4 works in 32730
The four digits after the hyphen encode a delivery segment inside 32730. 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 32730 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 Casselberry
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 32730.
| ZIP | City | Distance |
|---|---|---|
| 32701 | Altamonte Springs, FL | 1.8 mi |
| 32707 | Casselberry, FL | 1.9 mi |
| 32751 | Maitland, FL | 2 mi |
| 32789 | Winter Park, FL | 3.7 mi |
| 32750 | Longwood, FL | 3.8 mi |
| 32792 | Winter Park, FL | 3.9 mi |
| 32714 | Altamonte Springs, FL | 4.2 mi |
| 32708 | Winter Springs, FL | 5 mi |
| 32810 | Orlando, FL | 5.6 mi |
| 32814 | Orlando, FL | 5.8 mi |
| 32779 | Longwood, FL | 6.1 mi |
| 32804 | Orlando, FL | 6.2 mi |
Questions about 32730
What is the ZIP+4 code for 32730?
32730 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 32730, you need to look up a specific street address to get them.
What city is 32730?
32730 is assigned to Casselberry, Florida, in Seminole 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.