| Locality | Post Code |
|---|---|
| Aizumacho (知立市) | 472-0021 |
| Higashikamishigehara (知立市) | 472-0054 |
| Higashinagashino (知立市) | 472-0051 |
| Hiromi (知立市) | 472-0044 |
| Hommachi (知立市) | 472-0038 |
| Horikiri (知立市) | 472-0036 |
| Ikehata (知立市) | 472-0025 |
| Kamishigehara (知立市) | 472-0058 |
| Kamishigeharacho (知立市) | 472-0026 |
| Kobo (知立市) | 472-0052 |
| Kobocho (知立市) | 472-0046 |
| Koei (知立市) | 472-0034 |
| Minamishinchi (知立市) | 472-0053 |
| Nagashinocho (知立市) | 472-0045 |
| Nagata (知立市) | 472-0035 |
| Nakamachi (知立市) | 472-0033 |
| Nakayamamachi (知立市) | 472-0032 |
| Nanyo (知立市) | 472-0004 |
| Nishi (知立市) | 472-0057 |
| Nishimachi (知立市) | 472-0023 |
| Nishinakacho (知立市) | 472-0016 |
| Nishiokacho (知立市) | 472-0027 |
| Others (知立市) | 472-0000 |
| Raikojicho (知立市) | 472-0002 |
| Sakae (知立市) | 472-0037 |
| Sakuragicho (知立市) | 472-0031 |