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) |
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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) |