Post office locations in 75637
| Post Office | Address | Phone | Hours |
| CLAYTON | 4535 W HIGHWAY 315 CLAYTON, TX 75637 - 9998 | 903-693-5833 | Mon-Fri 9:00am - 1:00pm Sat-Sun Closed |
| Post Office | Address | Phone | Hours |
| CLAYTON | 4535 W HIGHWAY 315 CLAYTON, TX 75637 - 9998 | 903-693-5833 | Mon-Fri 9:00am - 1:00pm Sat-Sun Closed |