7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 31525 | Brunswick | 29,500 |
| 31520 | Brunswick | 22,264 |
| 31522 | Saint Simons Island | 17,453 |
| 31523 | Brunswick | 14,193 |
| 31527 | Jekyll Island | 946 |
| 31561 | Sea Island | 210 |
| 31524 | Brunswick | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Glynn County, Georgia (US Census).