Post Offices List in Jefferson County, Oklahoma:
| Addington Post Office | 201 Parker St, Addington, OK 73520 |
| Hastings Post Office | 106 W Main St, Hastings, OK 73548 |
| Ringling Post Office | 204 N 4th St, Ringling, OK 73456 |
| Ryan Post Office | 1114 5th St, Ryan, OK 73565 |
| Terral Post Office | 309 E Apache St, Terral, OK 73569 |
| Waurika Post Office | 121 W Broadway Ave, Waurika, OK 73573 |