| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Otani (東かがわ市) | 769-2513 |
| Postal/ZIP Codes in Others (東かがわ市) | 769-2700 |
| Postal/ZIP Codes in Sakamoto (東かがわ市) | 769-2904 |
| Postal/ZIP Codes in Sambommatsu (東かがわ市) | 769-2601 |
| Postal/ZIP Codes in Shirotori (東かがわ市) | 769-2705 |
| Postal/ZIP Codes in Umashino (東かがわ市) | 769-2520 |
| Postal/ZIP Codes in Umayado (東かがわ市) | 769-2902 |
| Postal/ZIP Codes in Yodayama (東かがわ市) | 769-2713 |
| Postal/ZIP Codes in Yokochi (東かがわ市) | 769-2603 |
| Postal/ZIP Codes in Yoshida (東かがわ市) | 769-2907 |