Yamanashi
| Enzan, Yamanashi | 0553 |
| Fujiyoshida, Yamanashi | 0555 |
| Higashiyamanashi District, Yamanashi | 0553 |
| Higashiyatsushiro District, Yamanashi | 0552 |
| Kitakoma District, Yamanashi | 0266 |
| Kitakoma District, Yamanashi | 0551 |
| Kitatsuru District, Yamanashi | 0428 |
| Kōfu, Yamanashi | 0552 |
| Minamikoma District, Yamanashi | 0556 |
| Minamitsuru District, Yamanashi | 0427 |
| Minamitsuru District, Yamanashi | 0554 |
| Minamitsuru District, Yamanashi | 0555 |
| Nakakoma District, Yamanashi | 0552 |
| Nirasaki, Yamanashi | 0551 |
| Nishiyatsushiro District, Yamanashi | 0555 |
| Nishiyatsushiro District, Yamanashi | 0552 |
| Nishiyatsushiro District, Yamanashi | 0556 |
| Ōtsuki, Yamanashi | 0554 |
| Tsuru, Yamanashi | 0554 |
| Yamanashi, Yamanashi | 0553 |
Read more about this topic: List Of Dialing Codes In Japan