| Locality | Postal Code |
|---|---|
| Akiyama (上野原市) | 401-0201 |
| Arata (上野原市) | 409-0113 |
| Ashigaki (上野原市) | 409-0135 |
| Inume (上野原市) | 409-0124 |
| Kawai (上野原市) | 409-0122 |
| Komoashiotsu (上野原市) | 409-0126 |
| Kuwakubo (上野原市) | 409-0136 |
| Matsudome (上野原市) | 409-0115 |
| Notajiri (上野原市) | 409-0125 |
| Okunugi (上野原市) | 409-0134 |
| Okura (上野原市) | 409-0138 |
| Ono (上野原市) | 409-0123 |
| Others (上野原市) | 409-0100 |
| Ozone (上野原市) | 409-0131 |
| Saihara (上野原市) | 409-0141 |
| Shiotsu (上野原市) | 409-0121 |
| Tsurugawa (上野原市) | 409-0132 |
| Tsurushima (上野原市) | 409-0114 |
| Uenohara (上野原市) | 409-0112 |
| Wami (上野原市) | 409-0137 |
| Yatsusawa (上野原市) | 409-0133 |
| Yuzurihara (上野原市) | 409-0111 |