ZIP CodesZIP codes in Hancock County, Mississippi
Hancock County, Mississippi has 9 ZIP codes in this list, from 39520 to 39576. They cover 7 places, among them Bay Saint Louis, Stennis Space Center, Diamondhead and Kiln.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 39520 | Bay Saint Louis | 96.9 | 30.296, -89.463 |
| 39521 | Bay Saint Louis | no area | 30.403, -89.498 |
| 39522 | Stennis Space Center | no area | 30.403, -89.498 |
| 39525 | Diamondhead | 10.5 | 30.373, -89.378 |
| 39529 | Stennis Space Center | 16.9 | 30.403, -89.498 |
| 39556 | Kiln | 103 | 30.488, -89.419 |
| 39558 | Lakeshore | no area | 30.239, -89.460 |
| 39572 | Pearlington | 10.8 | 30.251, -89.601 |
| 39576 | Waveland | 6.5 | 30.291, -89.384 |
The ZIP code areas of Hancock County add up to about 244 square miles of land (632 sq km) as the Census Bureau draws them. The largest is 39556 (Kiln), with 103 square miles.
Places with more than one code here: Bay Saint Louis (2 codes), Stennis Space Center (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Bay Saint Louis, MS 39520.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.