| Locality | Post Code |
|---|---|
| Morime (大野市) | 912-0804 |
| Morimoto (大野市) | 912-0135 |
| Moriyama (大野市) | 912-0427 |
| Motomachi (大野市) | 912-0081 |
| Nagano (大野市) | 912-0214 |
| Nakaarai (大野市) | 912-0023 |
| Nakaaraicho (大野市) | 912-0023 |
| Nakabasami (大野市) | 912-0015 |
| Nakaho (大野市) | 912-0014 |
| Nakano (大野市) | 912-0021 |
| Nakanocho (大野市) | 912-0021 |
| Nakashigarami (大野市) | 912-0437 |
| Nakatsugawa (大野市) | 912-0004 |
| Nakayoro (大野市) | 912-0093 |
| Nanaita (大野市) | 912-0821 |
| Nishiichi (大野市) | 912-0007 |
| Nishikadohara (大野市) | 912-0155 |
| Nishikicho (大野市) | 912-0024 |
| Nishiotsuki (大野市) | 912-0003 |
| Nishisato (大野市) | 912-0431 |
| Nishishigarami (大野市) | 912-0436 |
| Nishiyama (大野市) | 912-0426 |
| Nochino (大野市) | 912-0203 |
| Nojiri (大野市) | 912-0213 |
| Nonaka (大野市) | 912-0414 |
| Ochiai (大野市) | 912-0146 |