| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Shimookawauchi (出水市) | 899-0342 |
| Postal/ZIP Codes in Shimosabacho (出水市) | 899-0123 |
| Postal/ZIP Codes in Shiomicho (出水市) | 899-0136 |
| Postal/ZIP Codes in Sho (出水市) | 899-0435 |
| Postal/ZIP Codes in Showamachi (出水市) | 899-0202 |
| Postal/ZIP Codes in Sumiyoshicho (出水市) | 899-0138 |
| Postal/ZIP Codes in Takaonomachi Euchi (出水市) | 899-0407 |
| Postal/ZIP Codes in Takaonomachi Kamizuru (出水市) | 899-0406 |
| Postal/ZIP Codes in Takaonomachi Karagasaki (出水市) | 899-0403 |
| Postal/ZIP Codes in Takaonomachi Okubo (出水市) | 899-0401 |
| Postal/ZIP Codes in Takaonomachi Shibahiki (出水市) | 899-0402 |
| Postal/ZIP Codes in Takaonomachi Shimotakaono (出水市) | 899-0404 |
| Postal/ZIP Codes in Takaonomachi Shimozuru (出水市) | 899-0405 |
| Postal/ZIP Codes in Takemoto (出水市) | 899-0215 |
| Postal/ZIP Codes in Uratacho (出水市) | 899-0134 |