ZIP Code 39530 — Biloxi, MS
39530 is a standard (street delivery) ZIP code serving Biloxi, Mississippi, in Harrison 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 39530 at a glance
| ZIP code | 39530 |
|---|---|
| Primary city | Biloxi |
| State | Mississippi (MS) |
| County | Harrison FIPS 28047 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 7,701 |
| Coordinates | 30.403440, -88.891650 |
How ZIP+4 works in 39530
The four digits after the hyphen encode a delivery segment inside 39530. 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 39530 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 Biloxi
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 39530.
| ZIP | City | Distance |
|---|---|---|
| 39534 | Biloxi, MS | 1.8 mi |
| 39531 | Biloxi, MS | 4.5 mi |
| 39540 | Diberville, MS | 4.7 mi |
| 39564 | Ocean Springs, MS | 8.2 mi |
| 39532 | Biloxi, MS | 8.4 mi |
| 39507 | Gulfport, MS | 8.6 mi |
| 39501 | Gulfport, MS | 12.6 mi |
| 39565 | Vancleave, MS | 14.5 mi |
| 39553 | Gautier, MS | 14.5 mi |
| 39503 | Gulfport, MS | 16 mi |
| 39560 | Long Beach, MS | 16.9 mi |
| 39574 | Saucier, MS | 19 mi |
Questions about 39530
What is the ZIP+4 code for 39530?
39530 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 39530, you need to look up a specific street address to get them.
What city is 39530?
39530 is assigned to Biloxi, Mississippi, in Harrison 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.