| Place Name | Rex |
| Place Type | Unincorporated |
| ZIP Code(s) | 30273 |
| County | Clayton County |
| Area Code(s) | 470,678,770,943 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Atlanta-Sandy Springs-Alpharetta, GA |
| US Congressional District(s) | Georgia 13th |
| State House Districts | 76 |
| State Senate Districts | 44 |