The Area Codes of Japan:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Nagano | 26 (+81 26) |
| 2. | Nagasaki | 958 (+81 958) |
| 3. | Nagoya | 52 (+81 52) |
| 4. | Naha | 988 (+81 988) |
| 5. | Naha | 989 (+81 989) |
| 6. | Nara | 742 (+81 742) |
| 7. | Nara | 743 (+81 743) |
| 8. | Niigata | 25 (+81 25) |
| 9. | Nishinomiya, Takarazuka | 797 (+81 797) |
| 10. | Nishinomiya, Takarazuka | 798 (+81 798) |