| Locality | Post Code |
|---|---|
| Gakuen Higashicho (小平市) | 187-0043 |
| Gakuen Nishimachi (小平市) | 187-0045 |
| Hanakoganei (小平市) | 187-0002 |
| Hanakoganeiminamicho (小平市) | 187-0003 |
| Josuihoncho (小平市) | 187-0022 |
| Josuiminamicho (小平市) | 187-0021 |
| Josuishimmachi (小平市) | 187-0023 |
| Kiheicho (小平市) | 187-0044 |
| Meguritacho (小平市) | 187-0013 |
| Misonocho (小平市) | 187-0041 |
| Miyukicho (小平市) | 187-0012 |
| Nakajimacho (小平市) | 187-0033 |
| Nakamachi (小平市) | 187-0042 |
| Ogawacho (小平市) | 187-0032 |
| Ogawa Higashicho (小平市) | 187-0031 |
| Ogawa Nishimachi (小平市) | 187-0035 |
| Onumacho (小平市) | 187-0001 |
| Others (小平市) | 187-0000 |
| Sakaecho (小平市) | 187-0034 |
| Suzukicho (小平市) | 187-0011 |
| Takanodai (小平市) | 187-0024 |
| Tenjincho (小平市) | 187-0004 |
| Tsudamachi (小平市) | 187-0025 |