| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Hiroto, Nagano (広戸) | 389-0203 |
| Postal/ZIP Codes in Hosho, Nagano (豊昇) | 389-0204 |
| Postal/ZIP Codes in Kusagoe, Nagano (草越) | 389-0202 |
| Postal/ZIP Codes in Maseguchi, Nagano (馬瀬口) | 389-0207 |
| Postal/ZIP Codes in Miyota, Nagano (御代田) | 389-0206 |
| Postal/ZIP Codes in Mosawa, Nagano (茂沢) | 389-0208 |
| Postal/ZIP Codes in Omogae, Nagano (面替) | 389-0205 |
| Postal/ZIP Codes in Others, Nagano (その他) | 389-0200 |
| Postal/ZIP Codes in Shiono, Nagano (塩野) | 389-0201 |
| Postal Codes in Kitasaku | |
|---|---|
| Postal/ZIP Codes in Karuizawa (軽井沢町) | |
| Postal/ZIP Codes in Miyota (御代田町) | |
| Postal/ZIP Codes in Tateshina (立科町) | |