County ZIP codes · Georgia · FIPS 13049
Charlton County, GA ZIP Codes
Charlton County, Georgia has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Charlton County and 2 mainly in a neighboring county; 3 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Charlton County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 4 residential ZIP codes in Charlton County
2 ZIP codes lie mainly in Charlton County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 31537 | Folkston | 9,349 | 17 | $65k | $157k | 95% |
| 31562 | Saint George | 3,620 | 24 | $36k | $130k | 100% |
Partly in Charlton County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
3 ZIP codes of Charlton County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Charlton | Elsewhere |
|---|---|---|
| 31537 | 95% | Camden County 5% |
| 31553 | 2% | Brantley County 98% |
| 31631 | 9% | Echols County 58%; Clinch County 32%; Ware County 2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Charlton County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Charlton County's ZIP codes use 2 prefixes: 315 and 316.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.