Yamaguchi
| Abu District, Yamaguchi | 0838 |
| Abu District, Yamaguchi | 08387 |
| Abu District, Yamaguchi | 08388 |
| Abu District, Yamaguchi | 08395 |
| Asa District, Yamaguchi | 0836 |
| Hagi, Yamaguchi | 0838 |
| Hikari, Yamaguchi | 0833 |
| Hōfu, Yamaguchi | 0835 |
| Iwakuni, Yamaguchi | 0827 |
| Iwakuni, Yamaguchi | 08275 |
| Kuga District, Yamaguchi | 0820 |
| Kuga District, Yamaguchi | 0827 |
| Kuga District, Yamaguchi | 08275 |
| Kumage District, Yamaguchi | 0820 |
| Kumage District, Yamaguchi | 0833 |
| Mine District, Yamaguchi | 08376 |
| Mine District, Yamaguchi | 08396 |
| Mine, Yamaguchi | 08375 |
| Nagato, Yamaguchi | 0837 |
| Ōshima District, Yamaguchi | 08207 |
| Otsu District, Yamaguchi | 0837 |
| Onoda, Yamaguchi | 0836 |
| Saba District, Yamaguchi | 0835 |
| Shimonoseki, Yamaguchi | 0832 |
| Shimonoseki, Yamaguchi | 0833 |
| Shinnan'yō, Yamaguchi | 0834 |
| Tokuyama, Yamaguchi | 0834 |
| Toyora District, Yamaguchi | 0832 |
| Toyora District, Yamaguchi | 0837 |
| Toyora District, Yamaguchi | 08376 |
| Tsuno District, Yamaguchi | 0834 |
| Ube, Yamaguchi | 0836 |
| Yamaguchi, Yamaguchi | 0839 |
| Yanai, Yamaguchi | 0820 |
| Yoshiki District, Yamaguchi | 0836 |
| Yoshiki District, Yamaguchi | 0839 |
Read more about this topic: List Of Dialing Codes In Japan