| Locality | Post Code |
|---|---|
| Nakahoromuicho (岩見沢市) | 069-0376 |
| Namikicho (岩見沢市) | 068-0818 |
| Naracho (岩見沢市) | 068-3187 |
| Nishikawacho (岩見沢市) | 068-0048 |
| Ochanomizucho (岩見沢市) | 069-0384 |
| Okayamacho (岩見沢市) | 079-0181 |
| Onegaicho (岩見沢市) | 079-0183 |
| Others (岩見沢市) | 068-0000 |
| Sakaemachi (岩見沢市) | 068-0821 |
| Sakuragi1-Jo (岩見沢市) | 068-0058 |
| Shibuncho (岩見沢市) | 068-0833 |
| Shibunhoncho 1-Jo (岩見沢市) | 068-0841 |
| Shibunhoncho 2-Jo (岩見沢市) | 068-0842 |
| Shibunhoncho 3-Jo (岩見沢市) | 068-0843 |
| Shibunhoncho 4-Jo (岩見沢市) | 068-0844 |
| Shibunhoncho 5-Jo (岩見沢市) | 068-0845 |
| Shimizucho (岩見沢市) | 068-3186 |
| Shimoshibuncho (岩見沢市) | 068-0846 |
| Wakakoma (岩見沢市) | 068-0830 |
| Wakamatsucho (岩見沢市) | 068-0047 |
| Yamato 1-Jo (岩見沢市) | 068-0851 |
| Yamato 2-Jo (岩見沢市) | 068-0852 |
| Yamato 3-Jo (岩見沢市) | 068-0853 |
| Yamato 4-Jo (岩見沢市) | 068-0854 |
| Yamatocho (岩見沢市) | 068-0855 |