| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Suzukoya, Ibaraki (錫高野) | 311-4335 |
| Postal/ZIP Codes in Takaku, Ibaraki (高久) | 311-4324 |
| Postal/ZIP Codes in Takane, Ibaraki (高根) | 311-4333 |
| Postal/ZIP Codes in Takanedai, Ibaraki (高根台) | 311-4332 |
| Postal/ZIP Codes in Tokura, Ibaraki (徳蔵) | 311-4407 |
| Postal Codes in Higashiibaraki | |
|---|---|
| Postal/ZIP Codes in Ibaraki (茨城町) | |
| Postal/ZIP Codes in Oarai (大洗町) | |
| Postal/ZIP Codes in Shirosato (城里町) | |