| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Others (山形市) | 990-0000 |
| Postal/ZIP Codes in Ryutsusenta (山形市) | 990-0071 |
| Postal/ZIP Codes in Saiwaicho (山形市) | 990-0038 |
| Postal/ZIP Codes in Sakaebara (山形市) | 990-0077 |
| Postal/ZIP Codes in Sakaidamachi (山形市) | 990-0819 |
| Postal/ZIP Codes in Sakanamachi (山形市) | 990-0824 |
| Postal/ZIP Codes in Sakuracho (山形市) | 990-0045 |
| Postal/ZIP Codes in Sakuradahigashi (山形市) | 990-2323 |
| Postal/ZIP Codes in Sakuradaminami (山形市) | 990-2322 |
| Postal/ZIP Codes in Sakuradanishi (山形市) | 990-2321 |
| Postal/ZIP Codes in Sakuragaoka (山形市) | 990-2376 |
| Postal/ZIP Codes in Sansha (山形市) | 990-0898 |
| Postal/ZIP Codes in Saotome (山形市) | 990-0003 |
| Postal/ZIP Codes in Sekizawa (山形市) | 990-0016 |
| Postal/ZIP Codes in Senami (山形市) | 990-0881 |
| Postal/ZIP Codes in Sengari (山形市) | 990-2216 |
| Postal/ZIP Codes in Sengoku (山形市) | 990-2227 |
| Postal/ZIP Codes in Senjudo (山形市) | 990-2172 |