Japan Telefonkode
Landekode +81
| By Koder | |
| Aomori | 177 |
| Chiba | 43 |
| Chita | 562 |
| Daito | 720 |
| Fuchu (Tokyo) | 423 |
| Fukushima | 24 |
| Ginowan | 98 |
| Gushikawa | 98 |
| Hiroshima | 82 |
| Ibakari | 726 |
| Imari | 955 |
| Kawasaki (Kanagawa) | 44 |
| Kobe | 78 |
| Kyoto | 75 |
| Nagasaki | 958 |
| Nagoya | 52 |
| Naha | 98 |
| Okinawa | 98 |
| Osaka | 66 |
| Sapporo | 11 |
| Sasebo | 956 |
| Seto | 561 |
| Tachikawa (Tokyo) | 425 |
| Tokyo | 3 |
| Urasoe | 98 |
| Yokohama | 45 |
| Yokosuka (Kanagawa) | 468 |
| PHS telefoner | 070 + otte-cifret nummer |
| Mobiltelefoner | 090 + otte-cifret nummer |