Post Offices List in Fairfield County, South Carolina:
| Blair Post Office | 96 Granite Rd, Blair, SC 29015 |
| Jenkinsville Post Office | 11298 State Highway 215 S, Jenkinsville, SC 29065 |
| Ridgeway Post Office | 290 S Palmer St, Ridgeway, SC 29130 |
| Winnsboro Post Office | 144 N Congress St, Winnsboro, SC 29180 |