| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Tottori Kita (釧路市) | 084-0907 |
| Postal/ZIP Codes in Tottori Minami (釧路市) | 084-0905 |
| Postal/ZIP Codes in Tottori Odori (釧路市) | 084-0906 |
| Postal/ZIP Codes in Toyokawacho (釧路市) | 085-0053 |
| Postal/ZIP Codes in Tsurugadai (釧路市) | 085-0821 |
| Postal/ZIP Codes in Tsuruno (釧路市) | 084-0924 |
| Postal/ZIP Codes in Tsuruno Higashi (釧路市) | 084-0923 |
| Postal/ZIP Codes in Tsuruoka (釧路市) | 084-0926 |
| Postal/ZIP Codes in Urami (釧路市) | 085-0835 |
| Postal/ZIP Codes in Wakakusacho (釧路市) | 085-0042 |
| Postal/ZIP Codes in Wakamatsucho (釧路市) | 085-0033 |
| Postal/ZIP Codes in Wakatakecho (釧路市) | 085-0036 |
| Postal/ZIP Codes in Yamahana (釧路市) | 084-0928 |
| Postal/ZIP Codes in Yanagimachi (釧路市) | 085-0037 |
| Postal/ZIP Codes in Yayoi (釧路市) | 085-0834 |
| Postal/ZIP Codes in Yonemachi (釧路市) | 085-0842 |
| Postal/ZIP Codes in Zaimokucho (釧路市) | 085-0815 |