Post Offices List in Claiborne County, Tennessee:
| Clairfield Post Office | 5671 Highway 90, Clairfield, TN 37715 |
| Cumberland Gap Post Office | 530 Colwyn Ave, Cumberland Gap, TN 37724 |
| Eagan Post Office | 4183 Highway 90, Eagan, TN 37730 |
| Harrogate Post Office | 6690 Cumberland Gap Pkwy, Harrogate, TN 37752 |
| New Tazewell Post Office | 855 Main St, New Tazewell, TN 37825 |
| Speedwell Post Office | 7669 Highway 63, Speedwell, TN 37870 |
| Tazewell Post Office | 1710 Main St, Tazewell, TN 37879 |