| Locality | Postal Code |
|---|---|
| Ibuncho (西尾市) | 445-0822 |
| Ichigocho (西尾市) | 445-0055 |
| Imagawacho (西尾市) | 445-0063 |
| Isshikicho Ajihama (西尾市) | 444-0422 |
| Isshikicho Akabane (西尾市) | 444-0427 |
| Isshikicho Fujie (西尾市) | 444-0414 |
| Isshikicho Hosokawa (西尾市) | 444-0425 |
| Isshikicho Ikeda (西尾市) | 444-0401 |
| Isshikicho Ikuta (西尾市) | 444-0412 |
| Isshikicho Isshiki (西尾市) | 444-0423 |
| Isshikicho Jimei (西尾市) | 444-0426 |
| Isshikicho Kaisho (西尾市) | 444-0421 |
| Isshikicho Koyabu (西尾市) | 444-0424 |
| Isshikicho Maeno (西尾市) | 444-0407 |
| Isshikicho Matsukijima (西尾市) | 444-0403 |
| Isshikicho Nakatozawa (西尾市) | 444-0428 |
| Isshikicho Noda (西尾市) | 444-0404 |
| Isshikicho Otsuka (西尾市) | 444-0402 |
| Isshikicho Sakatashinden (西尾市) | 444-0413 |
| Isshikicho Sakatejima (西尾市) | 444-0415 |
| Isshikicho Sakushima (西尾市) | 444-0416 |
| Isshikicho Sengen (西尾市) | 444-0411 |
| Isshikicho Sogoro (西尾市) | 444-0405 |
| Isshikicho Tsuigome (西尾市) | 444-0406 |
| Isshikicho Yogashima (西尾市) | 444-0429 |
| Ito (西尾市) | 445-0807 |