| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Wakakusacho (足利市) | 326-0024 |
| Postal/ZIP Codes in Yamagawacho (足利市) | 326-0021 |
| Postal/ZIP Codes in Yamashitacho (足利市) | 326-0846 |
| Postal/ZIP Codes in Yanadacho (足利市) | 326-0321 |
| Postal/ZIP Codes in Yanagiwaracho (足利市) | 326-0806 |
| Postal/ZIP Codes in Yatsukunugicho (足利市) | 326-0015 |
| Postal/ZIP Codes in Yawatacho (足利市) | 326-0824 |
| Postal/ZIP Codes in Yayoicho (足利市) | 326-0036 |
| Postal/ZIP Codes in Yobecho (足利市) | 326-0843 |
| Postal/ZIP Codes in Yoshicho (足利市) | 326-0035 |
| Postal/ZIP Codes in Yukiwacho (足利市) | 326-0804 |
| Postal/ZIP Codes in Yurakucho (足利市) | 326-0801 |