The Area Codes of China:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Jiamusi | 454 (+86 454) |
| 2. | Jian | 796 (+86 796) |
| 3. | Jiangmen | 750 (+86 750) |
| 4. | Jiaozuo | 391 (+86 391) |
| 5. | Jiaxing | 573 (+86 573) |
| 6. | Jieyang | 663 (+86 663) |
| 7. | Jilin | 432 (+86 432) |
| 8. | Jinan | 531 (+86 531) |
| 9. | Jincheng | 356 (+86 356) |
| 10. | Jingdezhen | 798 (+86 798) |
| 11. | Jinghong | 691 (+86 691) |
| 12. | Jingmen | 724 (+86 724) |
| 13. | Jingzhou | 716 (+86 716) |
| 14. | Jinhua | 579 (+86 579) |
| 15. | Jining | 537 (+86 537) |
| 16. | Jining | 474 (+86 474) |
| 17. | Jinzhong | 354 (+86 354) |
| 18. | Jinzhou | 416 (+86 416) |
| 19. | Jishou | 743 (+86 743) |
| 20. | Jiujiang | 792 (+86 792) |
| 21. | Jiuquan | 937 (+86 937) |
| 22. | Jixi | 467 (+86 467) |