| Locality | Postal Code |
|---|---|
| Doaichuo (神栖市) | 314-0347 |
| Doaihigashi (神栖市) | 314-0344 |
| Doaihoncho (神栖市) | 314-0343 |
| Doaikita (神栖市) | 314-0342 |
| Doaiminami (神栖市) | 314-0345 |
| Doainishi (神栖市) | 314-0346 |
| Fukashiba (神栖市) | 314-0148 |
| Fukashibaminami (神栖市) | 314-0142 |
| Ga (神栖市) | 314-0134 |
| Hagiwara (神栖市) | 314-0122 |
| Hasaki (神栖市) | 314-0408 |
| Hasakishinko (神栖市) | 314-0407 |
| Higashifukashiba (神栖市) | 314-0103 |
| Hikari (神栖市) | 314-0051 |
| Hiraizumi (神栖市) | 314-0146 |
| Hiraizumihigashi (神栖市) | 314-0145 |
| Hiraizumisoto12-Iriai (神栖市) | 314-0145 |
| Horiwari (神栖市) | 314-0135 |
| Igiri (神栖市) | 314-0141, 314-0052 |
| Ikisu (神栖市) | 314-0133 |
| Ishigami (神栖市) | 314-0124 |
| Kamisu (神栖市) | 314-0143 |
| Kisaki (神栖市) | 314-0127 |
| Kitahama (神栖市) | 314-0101 |
| Minamihama (神栖市) | 314-0111 |
| Mizoguchi (神栖市) | 314-0121 |