| Locality | Post Code |
|---|---|
| Oguromi (大野市) | 912-0144 |
| Ota (大野市) | 912-0005 |
| Others (大野市) | 912-0000 |
| Otsuki (大野市) | 912-0132 |
| Oyato (大野市) | 912-0001 |
| Sabiraki (大野市) | 912-0422 |
| Saiwaicho (大野市) | 912-0047 |
| Sakurazukacho (大野市) | 912-0044 |
| Seiryu (大野市) | 912-0092 |
| Seiwacho (大野市) | 912-0032 |
| Shimmachi (大野市) | 912-0027 |
| Shimmei (大野市) | 912-0046 |
| Shimmeicho (大野市) | 912-0046 |
| Shimoasojima (大野市) | 912-0815 |
| Shimochinami (大野市) | 912-0152 |
| Shimogo (大野市) | 912-0432 |
| Shimohambara (大野市) | 912-0211 |
| Shimokurodani (大野市) | 912-0075 |
| Shimoono (大野市) | 912-0215 |
| Shimoshigarami (大野市) | 912-0431 |
| Shimoshita (大野市) | 912-0065 |
| Shimowakago (大野市) | 912-0423 |
| Shimoyama (大野市) | 912-0207 |
| Shimoyoro (大野市) | 912-0095 |
| Shimoyuino (大野市) | 912-0822 |
| Shinden (大野市) | 912-0802 |