| Place | Postal Code |
|---|---|
| 東広津 (Higashihirotsu, Nagano) | 399-7311 |
| 生坂村の次に番地がくる場合 (Ikusakamuranotsuginibanchigakurubaa, Nagano) | 399-7201 |
| 北陸郷 (Kitarikugo, Nagano) | 399-7202 |
| その他 (Others, Nagano) | 399-7200 |
| Postal Codes in Higashichikuma | |
|---|---|
| Asahi (朝日村) | |
| Chikuhoku (筑北村) | |
| Ikusaka (生坂村) | |
| Omi (麻績村) | |
| Yamagata (山形村) | |