Sea Island ZIP code, Georgia
The ZIP code for Sea Island, GA is 31561, and its area code is 912.
- USPS city name
- 1 ZIP code
- Population
- 96
- Area code
- 912
- County
- Glynn County
- State
- Georgia
NANPA lists no telephone rate centre for Sea Island itself, so these are the area codes of the nearest one, Saint Simons Island (3.8 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Sea Island
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
31561 | Sea Island , GA | Standard | 96 | $250,000+ | $2,000,000+ |
Map of Sea Island ZIP codes
The ZIP codes of Sea Island, GA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Sea Island
The nearest larger towns are St. Simons (16,228 people, 4.9 mi), Country Club Estates (8,780 people, 9.0 mi) and Brunswick (15,307 people, 11 mi).
| Town | Population | Distance |
|---|---|---|
| St. Simons | 16,228 | 4.9 mi |
| Country Club Estates | 8,780 | 9.0 mi |
| Brunswick | 15,307 | 10.6 mi |
| Dock Junction | 8,147 | 12.2 mi |
More nearby: every ZIP code in Glynn County · Georgia ZIP codes
Cite this page
zipcodes.pro. “Sea Island, GA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ga/sea-island
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