ZIP CodesZIP codes in Glynn County, Georgia
Glynn County, Georgia has 8 ZIP codes in this list, from 31520 to 31561. They cover 4 places, among them Brunswick, Saint Simons Island, Jekyll Island and Sea Island.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 31520 | Brunswick | 20.2 | 31.181, -81.495 |
| 31521 | Brunswick | no area | 31.150, -81.492 |
| 31522 | Saint Simons Island | 53.4 | 31.230, -81.350 |
| 31523 | Brunswick | 191 | 31.219, -81.546 |
| 31524 | Brunswick | 1.5 | 31.222, -81.483 |
| 31525 | Brunswick | 98.3 | 31.280, -81.531 |
| 31527 | Jekyll Island | 9.7 | 31.074, -81.413 |
| 31561 | Sea Island | 4.7 | 31.199, -81.332 |
The ZIP code areas of Glynn County add up to about 379 square miles of land (982 sq km) as the Census Bureau draws them. The largest is 31523 (Brunswick), with 191 square miles.
Places with more than one code here: Brunswick (5 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Brunswick, GA 31520.
- 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.