| postcode | placename |
| 290500 | ikanikeisaiganaibaai, higashiiwaigundaitouchou |
| 290711 | oohara, higashiiwaigundaitouchou |
| 290522 | sogei, higashiiwaigundaitouchou |
| 290523 | surisawa, higashiiwaigundaitouchou |
| 290603 | okita, higashiiwaigundaitouchou |
| 290521 | shibutami, higashiiwaigundaitouchou |
| 290431 | sarusawa, higashiiwaigundaitouchou |
| 290601 | nakagawa, higashiiwaigundaitouchou |
| 290602 | toriumi, higashiiwaigundaitouchou |
| 290500 | ikanikeisaiganaibaai, higashiiwaigundaitouchou |
| 290711 | oohara, higashiiwaigundaitouchou |
| 290522 | sogei, higashiiwaigundaitouchou |
| 290523 | surisawa, higashiiwaigundaitouchou |
| 290603 | okita, higashiiwaigundaitouchou |
| 290521 | shibutami, higashiiwaigundaitouchou |
| 290431 | sarusawa, higashiiwaigundaitouchou |
| 290601 | nakagawa, higashiiwaigundaitouchou |
| 290602 | toriumi, higashiiwaigundaitouchou |