| Locality | Post Code |
|---|---|
| Terao (妙高市) | 949-2201 |
| Tokaichi (妙高市) | 944-0095 |
| Toyocho (妙高市) | 944-0009 |
| Tsuboyama (妙高市) | 944-0222 |
| Tsukioka (妙高市) | 944-0003 |
| Waya (妙高市) | 944-0211 |
| Yachibayashishinden (妙高市) | 944-0085 |
| Yanaidacho (妙高市) | 944-0008 |
| Yonejimashinden (妙高市) | 949-2231 |
| Yoshiki (妙高市) | 944-0022 |
| Yoshikishinden (妙高市) | 944-0024 |
| Yukimori (妙高市) | 944-0098 |
| Zozo (妙高市) | 949-2103 |