| Biin-myeon, Seocheon (비인면) |
33605, 33606, 33607, 33608, 33609 |
| Gisan-myeon, Seocheon (기산면) |
33620, 33626, 33627, 33628 |
| Hansan-myeon, Seocheon (한산면) |
33623, 33624, 33625 |
| Hwayang-myeon, Seocheon (화양면) |
33629, 33630 |
| Janghang-eup, Seocheon (장항읍) |
33653, 33658, 33659, 33660, 33661, … |
| Jongcheon-myeon, Seocheon (종천면) |
33610, 33611, 33612, 33613 |
| Masan-myeon, Seocheon (마산면) |
33621, 33622, 33623 |
| Maseo-myeon, Seocheon (마서면) |
33650, 33651, 33652, 33653, 33654, … |
| Munsan-myeon, Seocheon (문산면) |
33617, 33618, 33620 |
| Pangyo-myeon, Seocheon (판교면) |
33614, 33615, 33616 |
| Seo-myeon, Seocheon (서면) |
33600, 33601, 33602, 33603, 33604, … |
| Seocheon-eup, Seocheon (서천읍) |
33620, 33631, 33632, 33633, 33634, … |
| Sicho-myeon, Seocheon (시초면) |
33619, 33620 |