| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 30820 | Mitchell | Glascock County | Standard |
| 31031 | Gordon | Wilkinson County | Standard |
| 31033 | Haddock | Jones County | Standard |
| 31034 | Hardwick | Baldwin County | PO Box |
| 31045 | Jewell | Hancock County | Standard |
| 31059 | Milledgeville | Baldwin County | PO Box |
| 31061 | Milledgeville | Baldwin County | Standard |
| 31062 | Milledgeville | Baldwin County | Unique |
| 31082 | Sandersville | Washington County | Standard |
| 31087 | Sparta | Hancock County | Standard |