Postal reference / United States
31561Sea Island, Georgia
ZIP code 31561 is a United States postal code for Sea Island, Georgia. Its county association is Glynn County. The map reference point is at 31.1989, -81.3322.
- State / territory
- Georgia
- Recorded place name
- Sea Island
- County association
- Glynn
- Estimated coordinate
- 31.1989, -81.3322
View on OpenStreetMap - ZIP prefix
- 315 · 52 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 4.719 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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Browse the other 951 ZIP codes recorded for Georgia, sorted by code with place and county.
Georgia directoryNearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 31522 | Saint Simons Island | GA | Glynn | 2.4 |
| 31524 | Brunswick | GA | Glynn | 9.0 |
| 31520 | Brunswick | GA | Glynn | 9.7 |
| 31527 | Jekyll Island | GA | Glynn | 9.9 |
| 31521 | Brunswick | GA | Glynn | 10.0 |
| 31523 | Brunswick | GA | Glynn | 12.7 |
| 31525 | Brunswick | GA | Glynn | 13.0 |
| 31305 | Darien | GA | McIntosh | 14.0 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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