| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ashida, Nagano (芦田) | 384-2305 |
| Postal/ZIP Codes in Ashidahatsukano, Nagano (芦田八ケ野) | 391-0321, 384-2309 |
| Postal/ZIP Codes in Fujisawa, Nagano (藤沢) | 384-2302 |
| Postal/ZIP Codes in Ikenotaira, Nagano (池の平) | 391-0321 |
| Postal/ZIP Codes in Kirihara, Nagano (桐原) | 384-2301 |
| Postal/ZIP Codes in Motai, Nagano (茂田井) | 384-2304, 384-2211 |
| Postal/ZIP Codes in Others, Nagano (その他) | 384-2300 |
| Postal/ZIP Codes in Shiosawa, Nagano (塩沢) | 384-2303 |
| Postal/ZIP Codes in Ushiroku, Nagano (牛鹿) | 384-2308 |
| Postal/ZIP Codes in Uyama, Nagano (宇山) | 384-2306 |
| Postal/ZIP Codes in Yamabe, Nagano (山部) | 384-2307 |
| 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) | |