Post Offices List in Newton County, Georgia:
| Covington Carrier Annex Post Office | 10721 Covington By Pass Rd, Covington, GA 30014 |
| Covington Post Office | 2131 Stallings St Nw, Covington, GA 30014 |
| Oxford Post Office | 907 Emory St, Oxford, GA 30054 |
| Porterdale Post Office | 2600 Main St, Porterdale, GA 30070 |