Post Offices List in Effingham County, Georgia:
| Bloomingdale Post Office | 407 E Us Highway 80, Bloomingdale, GA 31302 |
| Clyo Post Office | 5662 Ga Highway 119 N, Clyo, GA 31303 |
| Eden Post Office | 1228 Us Highway 80, Eden, GA 31307 |
| Guyton Post Office | 711 W Central Blvd, Guyton, GA 31312 |
| Meldrim Post Office | 318 5th St, Meldrim, GA 31318 |
| Rincon Post Office | 503 N Ridge St, Rincon, GA 31326 |
| Springfield Post Office | 708 S Laurel St, Springfield, GA 31329 |