| Locality | Post Code |
|---|---|
| Ayugawa (藤岡市) | 375-0042 |
| Fujioka (藤岡市) | 375-0024 |
| Higashihirai (藤岡市) | 375-0043 |
| Homi (藤岡市) | 375-0035 |
| Hominoyama (藤岡市) | 370-1403 |
| Hongo (藤岡市) | 375-0023 |
| Jinda (藤岡市) | 375-0032 |
| Joboji (藤岡市) | 370-1406 |
| Kamihino (藤岡市) | 375-0047 |
| Kamikurisu (藤岡市) | 375-0016 |
| Kamiochiai (藤岡市) | 375-0057 |
| Kamiozuka (藤岡市) | 375-0054 |
| Kamitozuka (藤岡市) | 375-0013 |
| Kanai (藤岡市) | 375-0045 |
| Kawayoke (藤岡市) | 375-0033 |
| Kobayashi (藤岡市) | 375-0021 |
| Midono (藤岡市) | 375-0041 |
| Mitsugi (藤岡市) | 375-0056 |
| Mori (藤岡市) | 375-0004 |
| Morishinden (藤岡市) | 375-0006 |
| Motoyurugido (藤岡市) | 375-0051 |
| Naka (藤岡市) | 375-0005 |
| Nakajima (藤岡市) | 375-0001 |
| Nakakurisu (藤岡市) | 375-0015 |
| Nakaozuka (藤岡市) | 375-0053 |
| Negishi (藤岡市) | 375-0022 |