| Locality | Postal Code |
|---|---|
| Gandong-myeon, Hwacheon (간동면) | 24111, 24132, 24133, 24134, 24135, … |
| Hanam-myeon, Hwacheon (하남면) | 24105, 24131, 24140, 24141, 24142, … |
| Hwacheon-eup, Hwacheon (화천읍) | 24109, 24110, 24111, 24112, 24113, … |
| Sanae-myeon, Hwacheon (사내면) | 24148, 24149, 24150, 24151, 24152, … |
| Sangseo-myeon, Hwacheon (상서면) | 24100, 24101, 24102, 24103, 24104, … |