| Locality | Post Code |
|---|---|
| Agemachi (八代市) | 869-5152 |
| Amagaemachi (八代市) | 866-0893 |
| Asahichuodori (八代市) | 866-0844 |
| Bishamarumachi (八代市) | 866-0851 |
| Buiwara Kamimachi (八代市) | 866-0063 |
| Buiwara Nakamachi (八代市) | 866-0062 |
| Buiwara Shimomachi (八代市) | 866-0065 |
| Daifukujimachi (八代市) | 866-0082 |
| Demachi (八代市) | 866-0857 |
| Fukuromachi (八代市) | 866-0855 |
| Fukushomachi (八代市) | 866-0821 |
| Fukushomotomachi (八代市) | 866-0822 |
| Furufumotomachi (八代市) | 866-0803 |
| Furushiromachi (八代市) | 866-0043 |
| Futami Akamatsumachi (八代市) | 869-5173 |
| Futami Hommachi (八代市) | 869-5172 |
| Futami Notazakimachi (八代市) | 869-5175 |
| Futami Shimoonomachi (八代市) | 869-5174 |
| Futami Suguchimachi (八代市) | 869-5171 |
| Gunchiku 10-Bancho (八代市) | 866-0003 |
| Gunchiku 11-Bancho (八代市) | 866-0002 |
| Gunchiku 12-Bancho (八代市) | 866-0001 |
| Gunchiku 1-Bancho (八代市) | 866-0024 |
| Gunchiku 2-Bancho (八代市) | 866-0023 |
| Gunchiku 3-Bancho (八代市) | 866-0022 |
| Gunchiku 4-Bancho (八代市) | 866-0021 |