| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Shimoisaka (紀の川市) | 649-6426 |
| Postal/ZIP Codes in Shimonyuya (紀の川市) | 649-6523 |
| Postal/ZIP Codes in Shimotomobuchi (紀の川市) | 649-6572 |
| Postal/ZIP Codes in Shireda (紀の川市) | 649-6622 |
| Postal/ZIP Codes in Suibara (紀の川市) | 649-6565 |
| Postal/ZIP Codes in Takano (紀の川市) | 649-6161 |
| Postal/ZIP Codes in Takebusa (紀の川市) | 649-6162, 649-6413 |
| Postal/ZIP Codes in Tanakababa (紀の川市) | 649-6421 |
| Postal/ZIP Codes in Toge (紀の川市) | 649-6512 |
| Postal/ZIP Codes in Toyoda (紀の川市) | 649-6445 |
| Postal/ZIP Codes in Uchita (紀の川市) | 649-6414 |
| Postal/ZIP Codes in Ueno (紀の川市) | 649-6416 |
| Postal/ZIP Codes in Umayado (紀の川市) | 649-6521 |
| Postal/ZIP Codes in Yokodani (紀の川市) | 649-6613 |