| Locality | Postal Code |
|---|---|
| Akahama (高萩市) | 318-0001 |
| Akiyama (高萩市) | 318-0024 |
| Arakawa (高萩市) | 318-0021 |
| Ariakecho (高萩市) | 318-0012 |
| Bokai (高萩市) | 318-0005 |
| Fukudaira (高萩市) | 318-0025 |
| Higashihoncho (高萩市) | 318-0014 |
| Hizencho (高萩市) | 318-0011 |
| Honcho (高萩市) | 318-0033 |
| Ishitaki (高萩市) | 318-0022 |
| Kamikimida (高萩市) | 318-0105 |
| Kamitezuna (高萩市) | 318-0004 |
| Kasugacho (高萩市) | 318-0031 |
| Nakadogawa (高萩市) | 318-0104 |
| Ono (高萩市) | 318-0103 |
| Others (高萩市) | 318-0000 |
| Shimana (高萩市) | 318-0023 |
| Shimokimida (高萩市) | 318-0106 |
| Shimotezuna (高萩市) | 318-0003 |
| Takado (高萩市) | 318-0002 |
| Takahagi (高萩市) | 318-0034 |
| Takahamacho (高萩市) | 318-0013 |
| Wakaguri (高萩市) | 318-0102 |
| Yamatocho (高萩市) | 318-0032 |
| Yokokawa (高萩市) | 318-0101 |