| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Tamachi (五所川原市) | 037-0041 |
| Postal/ZIP Codes in Tanei (五所川原市) | 037-0082 |
| Postal/ZIP Codes in Tawaramoto (五所川原市) | 037-0623 |
| Postal/ZIP Codes in Teramachi (五所川原市) | 037-0075 |
| Postal/ZIP Codes in Toyonari (五所川原市) | 037-0621 |
| Postal/ZIP Codes in Tozawa (五所川原市) | 037-0601 |
| Postal/ZIP Codes in Tsurugaoka (五所川原市) | 037-0088 |
| Postal/ZIP Codes in Ubayachi (五所川原市) | 037-0015 |
| Postal/ZIP Codes in Umeta (五所川原市) | 037-0022 |
| Postal/ZIP Codes in Uosumazu (五所川原市) | 037-0042 |
| Postal/ZIP Codes in Urushikawa (五所川原市) | 037-0017 |
| Postal/ZIP Codes in Wakaba (五所川原市) | 037-0069 |
| Postal/ZIP Codes in Wakimoto (五所川原市) | 037-0405 |
| Postal/ZIP Codes in Yaegiku (五所川原市) | 037-0034 |
| Postal/ZIP Codes in Yanagimachi (五所川原市) | 037-0073 |
| Postal/ZIP Codes in Yayoicho (五所川原市) | 037-0051 |
| Postal/ZIP Codes in Yoneta (五所川原市) | 037-0013 |