| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Shiro (かほく市) | 929-1177 |
| Postal/ZIP Codes in Sotohisumi (かほく市) | 929-1176 |
| Postal/ZIP Codes in Tada (かほく市) | 929-1112 |
| Postal/ZIP Codes in Takamatsu (かほく市) | 929-1215 |
| Postal/ZIP Codes in Tani (かほく市) | 929-1103 |
| Postal/ZIP Codes in Tozuka (かほく市) | 929-1173 |
| Postal/ZIP Codes in Uchihisumi (かほく市) | 929-1126 |
| Postal/ZIP Codes in Uchitakamatsu (かほく市) | 929-1214 |
| Postal/ZIP Codes in Uke (かほく市) | 929-1121 |
| Postal/ZIP Codes in Unoke (かほく市) | 929-1125 |
| Postal/ZIP Codes in Uwadana (かほく市) | 929-1102 |
| Postal/ZIP Codes in Wakamidori (かほく市) | 929-1205 |
| Postal/ZIP Codes in Yochi (かほく市) | 929-1101 |
| Postal/ZIP Codes in Yokoyama (かほく市) | 929-1105 |