| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Miyakawauchi (大分市) | 870-0276 |
| Postal/ZIP Codes in Miyakawauchi Hairando (大分市) | 870-0275 |
| Postal/ZIP Codes in Miyakomachi (大分市) | 870-0034 |
| Postal/ZIP Codes in Miyao (大分市) | 879-7873 |
| Postal/ZIP Codes in Miyazaki (大分市) | 870-1133 |
| Postal/ZIP Codes in Miyazakidai (大分市) | 870-1137 |
| Postal/ZIP Codes in Miyazono (大分市) | 870-0878 |
| Postal/ZIP Codes in Miyoshi (大分市) | 870-0030 |
| Postal/ZIP Codes in Miyuki (大分市) | 870-0804 |
| Postal/ZIP Codes in Moegidai (大分市) | 870-1174 |
| Postal/ZIP Codes in Momozonodanchi (大分市) | 870-0139 |
| Postal/ZIP Codes in Mori (大分市) | 870-0128 |
| Postal/ZIP Codes in Morimachi (大分市) | 870-0127 |
| Postal/ZIP Codes in Motomachi (大分市) | 870-0843 |
| Postal/ZIP Codes in Mukaibaru Higashi (大分市) | 870-0904 |
| Postal/ZIP Codes in Mukaibaru Nishi (大分市) | 870-0905 |
| Postal/ZIP Codes in Mukaibaru Oki (大分市) | 870-0903 |
| Postal/ZIP Codes in 2925-Banchi (大分市) | 870-1163 |