| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Tanora (三原市) | 723-0045 |
| Postal/ZIP Codes in Wada (三原市) | 723-0041 |
| Postal/ZIP Codes in Wadaokicho (三原市) | 723-0042 |
| Postal/ZIP Codes in Yahatacho Honjo (三原市) | 722-1516 |
| Postal/ZIP Codes in Yahatacho Kagari (三原市) | 722-1511 |
| Postal/ZIP Codes in Yahatacho Kaichi (三原市) | 722-1501 |
| Postal/ZIP Codes in Yahatacho Mino (三原市) | 722-1515 |
| Postal/ZIP Codes in Yahatacho Miyauchi (三原市) | 722-1513 |
| Postal/ZIP Codes in Yahatacho Nogushi (三原市) | 722-1512 |
| Postal/ZIP Codes in Yahatacho Yanaka (三原市) | 722-1514 |
| Postal/ZIP Codes in Yakatamachi (三原市) | 723-0004 |
| Postal/ZIP Codes in Yasakacho (三原市) | 723-0061 |
| Postal/ZIP Codes in Yorikane (三原市) | 723-0054 |