| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Toriyamacho (太田市) | 373-0053 |
| Postal/ZIP Codes in Toriyamakamicho (太田市) | 373-0061 |
| Postal/ZIP Codes in Toriyamanakacho (太田市) | 373-0062 |
| Postal/ZIP Codes in Toriyamashimocho (太田市) | 373-0063 |
| Postal/ZIP Codes in Tsurudacho (太田市) | 373-0008 |
| Postal/ZIP Codes in Uchigashimacho (太田市) | 373-0813 |
| Postal/ZIP Codes in Uekinocho (太田市) | 373-0014 |
| Postal/ZIP Codes in Ushizawacho (太田市) | 373-0833 |
| Postal/ZIP Codes in Wakiyacho (太田市) | 373-0031 |
| Postal/ZIP Codes in Yabacho (太田市) | 373-0803 |
| Postal/ZIP Codes in Yabashimmachi (太田市) | 373-0802 |
| Postal/ZIP Codes in Yabuzukacho (太田市) | 379-2301 |
| Postal/ZIP Codes in Yaegasacho (太田市) | 373-0805 |
| Postal/ZIP Codes in Yamanokamicho (太田市) | 379-2302 |
| Postal/ZIP Codes in Yasuraokacho (太田市) | 373-0811 |
| Postal/ZIP Codes in Yataboricho (太田市) | 373-0016 |
| Postal/ZIP Codes in Yonezawacho (太田市) | 373-0843 |
| Postal/ZIP Codes in Yoriaicho (太田市) | 379-2303 |
| Postal/ZIP Codes in Yoshizawacho (太田市) | 373-0019 |
| Postal/ZIP Codes in Yuracho (太田市) | 373-0036 |