| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Maesawakanohata (奥州市) | 029-4208 |
| Postal/ZIP Codes in Maesawakawauchi (奥州市) | 029-4205 |
| Postal/ZIP Codes in Maesawakinutome (奥州市) | 029-4205 |
| Postal/ZIP Codes in Maesawakitakubo (奥州市) | 029-4203 |
| Postal/ZIP Codes in Maesawakitsunedo (奥州市) | 029-4203 |
| Postal/ZIP Codes in Maesawakitsuneishi (奥州市) | 029-4206 |
| Postal/ZIP Codes in Maesawakojo (奥州市) | 029-4201 |
| Postal/ZIP Codes in Maesawakomasui (奥州市) | 029-4206 |
| Postal/ZIP Codes in Maesawakyuden (奥州市) | 029-4201 |
| Postal/ZIP Codes in Maesawamaeno (奥州市) | 029-4205 |
| Postal/ZIP Codes in Maesawamikkamachi (奥州市) | 029-4207 |
| Postal/ZIP Codes in Maesawamikkamachishinura (奥州市) | 029-4207 |
| Postal/ZIP Codes in Maesawamikkamachiura (奥州市) | 029-4207 |
| Postal/ZIP Codes in Maesawaminamijimba (奥州市) | 029-4205 |
| Postal/ZIP Codes in Maesawaminamimaesawa (奥州市) | 029-4204 |
| Postal/ZIP Codes in Maesawaminaminakajima (奥州市) | 029-4205 |
| Postal/ZIP Codes in Maesawaminamitogasaki (奥州市) | 029-4205 |
| Postal/ZIP Codes in Esashichozenji (奥州市) | 023-1116 |