| Locality | Post Code |
|---|---|
| Nishi1-Jokita (砂川市) | 073-0161 |
| Nishi1-Jominami (砂川市) | 073-0141 |
| Nishi2-Jokita (砂川市) | 073-0162 |
| Nishi2-Jominami (砂川市) | 073-0142 |
| Nishi3-Jokita (砂川市) | 073-0163 |
| Nishi3-Jominami (砂川市) | 073-0143 |
| Nishi4-Jokita (砂川市) | 073-0164 |
| Nishi4-Jominami (砂川市) | 073-0144 |
| Nishi5-Jokita (砂川市) | 073-0165 |
| Nishi5-Jominami (砂川市) | 073-0145 |
| Nishi6-Jokita (砂川市) | 073-0166 |
| Nishi6-Jominami (砂川市) | 073-0146 |
| Nishi7-Jokita (砂川市) | 073-0167 |
| Nishi7-Jominami (砂川市) | 073-0147 |
| Nishi8-Jokita (砂川市) | 073-0168 |
| Nishitoyonuma (砂川市) | 073-0148 |
| Others (砂川市) | 073-0100 |
| Sorachibuto (砂川市) | 073-0177, 073-0106 |
| Sorachibutohigashi1-Jo (砂川市) | 073-0101 |
| Sorachibutohigashi2-Jo (砂川市) | 073-0102 |
| Sorachibutohigashi3-Jo (砂川市) | 073-0103 |
| Sorachibutohigashi4-Jo (砂川市) | 073-0104 |
| Sorachibutohigashi5-Jo (砂川市) | 073-0105 |
| Sorachibutonishi1-Jo (砂川市) | 073-0171 |
| Sorachibutonishi2-Jo (砂川市) | 073-0172 |
| Sorachibutonishi3-Jo (砂川市) | 073-0173 |