The Area Codes of Korea, North:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Haeju | 45 (+850 45) |
| 2. | Hamhung | 53 (+850 53) |
| 3. | Hyesan | 79 (+850 79) |
The Area Codes of Korea, North:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Haeju | 45 (+850 45) |
| 2. | Hamhung | 53 (+850 53) |
| 3. | Hyesan | 79 (+850 79) |