| Postal Code | Area | |
|---|---|---|
| 069-1131 | Mikawa Izumimachi (三川泉町) | View |
| 069-1132 | Mikawa Nishikimachi (三川錦町) | View |
| 069-1133 | Mikawa Asahimachi (三川旭町) | View |
| 069-1134 | Mikawa Midorimachi (三川緑町) | View |
| 069-1135 | Nishimikawa (西三川(その他)) | View |
| 069-1136 | Kumamoto (熊本(その他)) | View |
| 069-1141 | Kawabata (川端) | View |
| 069-1142 | Higashimikawa (東三川) | View |
| 069-1143 | Nakamikawa (中三川) | View |
| 069-1144 | Motomikawa (本三川(その他)) | View |
| 069-1201 | Hokuei (北栄) | View |
| 069-1202 | Furukawa (古川) | View |
| 069-1203 | Toei (東栄) | View |
| 069-1204 | Shinko (新光) | View |
| 069-1205 | Chuo (中央) | View |
| 069-1206 | Honmachi (本町) | View |
| 069-1207 | Umaoi (馬追) | View |
| 069-1208 | Yamagata (山形) | View |
| 069-1211 | Iwanai (岩内) | View |
| 069-1212 | Yamamasu (山桝) | View |