| Locality | Postal Code |
|---|---|
| Seongu-Dong, Sacheon (선구동) | 52553, 52554, 52556, 52557, 52567, … |
| Seopo-myeon, Sacheon (서포면) | 52541, 52542, 52543, 52544, 52545 |
| Sinbyeok-Dong, Sacheon (신벽동) | 52547 |
| Sinsu-Dong, Sacheon (신수동) | 52571 |
| Siran-Dong, Sacheon (실안동) | 52554 |
| Songpo-Dong, Sacheon (송포동) | 52546, 52547, 52554 |
| Waryong-Dong, Sacheon (와룡동) | 52548 |
| Yonggang-Dong, Sacheon (용강동) | 52548, 52550, 52551, 52552 |
| Yonghyeon-myeon, Sacheon (용현면) | 52535, 52537, 52538, 52539, 52540 |