| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Taira Shimoyamaguchi (いわき市) | 970-0226 |
| Postal/ZIP Codes in Taira Shio (いわき市) | 970-8022 |
| Postal/ZIP Codes in Taira Shogatsumachi (いわき市) | 970-8053 |
| Postal/ZIP Codes in Taira Suginami (いわき市) | 970-0105 |
| Postal/ZIP Codes in Taira Toyoma (いわき市) | 970-0224 |
| Postal/ZIP Codes in Taira Tsurugai (いわき市) | 970-0227 |
| Postal/ZIP Codes in Taira Usuiso (いわき市) | 970-0223 |
| Postal/ZIP Codes in Taira Yagawase (いわき市) | 970-8036 |
| Postal/ZIP Codes in Taira Yamazaki (いわき市) | 970-0106 |
| Postal/ZIP Codes in Taira Yoshinoya (いわき市) | 970-8046 |
| Postal/ZIP Codes in Taira Yotsunami (いわき市) | 970-8018 |
| Postal/ZIP Codes in Takakuramachi (いわき市) | 974-8204 |
| Postal/ZIP Codes in Tomitsumachi (いわき市) | 974-8231 |
| Postal/ZIP Codes in Tonomachi Iritono (いわき市) | 972-0251 |
| Postal/ZIP Codes in Tonomachi Kaminemoto (いわき市) | 972-0252 |
| Postal/ZIP Codes in Tonomachi Katono (いわき市) | 972-0161 |
| Postal/ZIP Codes in Tonomachi Miyamada (いわき市) | 972-0164 |
| Postal/ZIP Codes in Tonomachi Negishi (いわき市) | 972-0163 |