| Locality | Postal Code |
|---|---|
| Ishizukacho (半田市) | 475-0001 |
| Itayamacho (半田市) | 475-0936 |
| Izumimachi (半田市) | 475-0858 |
| Juichigochi (半田市) | 475-0831 |
| Jusanzukacho (半田市) | 475-0954 |
| Kakegashitacho (半田市) | 475-0967 |
| Kamezaki Aioicho (半田市) | 475-0028 |
| Kamezakicho (半田市) | 475-0023 |
| Kamezaki Kitauracho (半田市) | 475-0027 |
| Kamezaki Oboracho (半田市) | 475-0025 |
| Kamezaki Shindencho (半田市) | 475-0026 |
| Kamezaki Takanecho (半田市) | 475-0024 |
| Kamezaki Tokiwacho (半田市) | 475-0029 |
| Kamezaki Tsukimicho (半田市) | 475-0022 |
| Kamihamacho (半田市) | 475-0804 |
| Kamiikecho (半田市) | 475-0004 |
| Kamijokocho (半田市) | 475-0009 |
| Kamishirocho (半田市) | 475-0944 |
| Kanayamacho (半田市) | 475-0953 |
| Kandacho (半田市) | 475-0937 |
| Kannaicho (半田市) | 475-0877 |
| Karasunecho (半田市) | 475-0932 |
| Kariyadocho (半田市) | 475-0918 |
| Kasugacho (半田市) | 475-0923 |
| Kawadacho (半田市) | 475-0808 |
| Kawasakicho (半田市) | 475-0832 |