| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Showacho (益田市) | 698-0007 |
| Postal/ZIP Codes in Somebacho (益田市) | 698-0011 |
| Postal/ZIP Codes in Sukocho (益田市) | 698-0036 |
| Postal/ZIP Codes in Sumimuracho (益田市) | 699-5126 |
| Postal/ZIP Codes in Susukibaracho (益田市) | 699-5124 |
| Postal/ZIP Codes in Tadacho (益田市) | 698-0031 |
| Postal/ZIP Codes in Takatsu (益田市) | 698-0041 |
| Postal/ZIP Codes in Takatsucho (益田市) | 698-0041 |
| Postal/ZIP Codes in Tanemuracho (益田市) | 699-3504 |
| Postal/ZIP Codes in Tochiyamacho (益田市) | 698-0015 |
| Postal/ZIP Codes in Todacho (益田市) | 699-3763, 699-3676 |
| Postal/ZIP Codes in Tokiwacho (益田市) | 698-0023 |
| Postal/ZIP Codes in Tsuchidacho (益田市) | 699-3505 |
| Postal/ZIP Codes in Tsudacho (益田市) | 699-3671 |
| Postal/ZIP Codes in Uchidacho (益田市) | 698-0051, 698-2143 |
| Postal/ZIP Codes in Umadanicho (益田市) | 698-0413 |
| Postal/ZIP Codes in Umetsukicho (益田市) | 699-5127 |
| Postal/ZIP Codes in Yamaoricho (益田市) | 699-3673 |
| Postal/ZIP Codes in Yasudomicho (益田市) | 699-5131 |
| Postal/ZIP Codes in Yokotacho (益田市) | 699-5132 |