| Locality | Post Code |
|---|---|
| Arata Kamikomata (平川市) | 036-0112 |
| Arata Kitainamura (平川市) | 036-0112 |
| Arata Kitaokabe (平川市) | 036-0112 |
| Arata Minamiinamura (平川市) | 036-0112 |
| Arata Minamiokabe (平川市) | 036-0112 |
| Arata Shimokomata (平川市) | 036-0112 |
| Araya Fukushima (平川市) | 036-0121 |
| Araya Hirano (平川市) | 036-0121 |
| Araya Hiraoka (平川市) | 036-0121 |
| Araya Inamura (平川市) | 036-0121 |
| Arayamachi Kamisawada (平川市) | 036-0213 |
| Arayamachi Kitauzurano (平川市) | 036-0213 |
| Arayamachi Matsuhisa (平川市) | 036-0213 |
| Arayamachi Matsui (平川市) | 036-0213 |
| Arayamachi Matsushita (平川市) | 036-0213 |
| Arayamachi Michinoshita (平川市) | 036-0213 |
| Arayamachi Minamiuzurano (平川市) | 036-0213 |
| Arayamachi Muramoto (平川市) | 036-0213 |
| Arayamachi Shimosawada (平川市) | 036-0213 |
| Arayamachi Tagawa (平川市) | 036-0213 |
| Araya Osada (平川市) | 036-0121 |
| Araya Sakaedate (平川市) | 036-0121 |
| Araya Takinosawa (平川市) | 036-0121 |
| Araya Tomiyama (平川市) | 036-0121 |
| Araya Yamashita (平川市) | 036-0121 |
| Daibo Fukuda (平川市) | 036-0146 |