| Locality | Postal Code |
|---|---|
| Pyeongjeon-Dong, Samcheok (평전동) | 25907 |
| Sajik-Dong, Samcheok (사직동) | 25930 |
| Seongbuk-Dong, Samcheok (성북동) | 25916, 25917 |
| Seongnae-Dong, Samcheok (성내동) | 25917 |
| Seongnam-Dong, Samcheok (성남동) | 25919 |
| Singi-myeon, Samcheok (신기면) | 25942, 25943 |
| Uji-Dong, Samcheok (우지동) | 25908, 25909 |
| Wondang-Dong, Samcheok (원당동) | 25918 |
| Wondeok-eup, Samcheok (원덕읍) | 25956, 25957, 25958, 25959, 25960, … |