| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Sakemi (大川市) | 831-0016 |
| Postal/ZIP Codes in Shimoaoki (大川市) | 831-0001 |
| Postal/ZIP Codes in Shimohachiin (大川市) | 831-0017 |
| Postal/ZIP Codes in Shimokisaki (大川市) | 831-0022 |
| Postal/ZIP Codes in Shimomutaguchi (大川市) | 831-0023 |
| Postal/ZIP Codes in Shimoshirakaki (大川市) | 831-0011 |
| Postal/ZIP Codes in Shinden (大川市) | 831-0043 |
| Postal/ZIP Codes in Tsu (大川市) | 831-0035 |