| Locality | Post Code |
|---|---|
| Albert, Caddo | 73001 |
| Anadarko, Caddo | 73005 |
| Apache, Caddo | 73006 |
| Binger, Caddo | 73009 |
| Bridgeport, Caddo | 73047 |
| Carnegie, Caddo | 73015 |
| Cement, Caddo | 73017 |
| Cyril, Caddo | 73029 |
| Eakly, Caddo | 73033 |
| Fort Cobb, Caddo | 73038 |
| Gracemont, Caddo | 73042 |
| Hinton, Caddo | 73047 |
| Hydro, Caddo | 73048 |
| Lookeba, Caddo | 73053 |
| Minco, Caddo | 73059 |
| Washita, Caddo | 73005 |