| Locality | Post Code |
|---|---|
| Handadai Kita (大分市) | 870-1126 |
| Handadai Minami (大分市) | 870-1109 |
| Harukawa (大分市) | 870-0138 |
| Harushimmachi (大分市) | 870-0912 |
| Hatakenaka (大分市) | 870-0856 |
| Hatanobori (大分市) | 879-7502 |
| Haya (大分市) | 870-0854 |
| Hayashimmachi (大分市) | 870-0853 |
| Hibarigaoka (大分市) | 870-1115 |
| Higashiakeno (大分市) | 870-0151 |
| Higashibaru (大分市) | 870-0150 |
| Higashihama (大分市) | 870-0932 |
| Higashikasugamachi (大分市) | 870-0037 |
| Higashiomichi (大分市) | 870-0823 |
| Higashitsurusaki (大分市) | 870-0103 |
| Higashiueno (大分市) | 870-0306 |
| Higashiyahata (大分市) | 870-0871 |
| Higashizuru (大分市) | 870-0934 |
| Hioka (大分市) | 870-0914 |
| Hirayokose (大分市) | 870-0866 |
| Hirochi (大分市) | 870-0277 |
| Hirosemachi (大分市) | 870-0847 |
| Hiyoshibaru (大分市) | 870-0301 |
| Hiyoshimachi (大分市) | 870-0918 |
| Hogawaradai (大分市) | 870-0948 |
| Honkozaki (大分市) | 879-2111 |