| Locality | Post Code |
|---|---|
| Kashu Yahata (南あわじ市) | 656-0511 |
| Kitaama Igano (南あわじ市) | 656-0531 |
| Kitaama Inadaminami (南あわじ市) | 656-0532 |
| Kitaama Shinden (南あわじ市) | 656-0533 |
| Kitaama Tsutsui (南あわじ市) | 656-0534 |
| Matsuho Ejiri (南あわじ市) | 656-0303 |
| Matsuho Homyoji (南あわじ市) | 656-0308 |
| Matsuho Ichida (南あわじ市) | 656-0307 |
| Matsuho Kaidanji (南あわじ市) | 656-0311 |
| Matsuho Keino (南あわじ市) | 656-0306 |
| Matsuho Kitahama (南あわじ市) | 656-0305 |
| Matsuho Kitakata (南あわじ市) | 656-0301 |
| Matsuho Kotsuro (南あわじ市) | 656-0304 |
| Matsuho Nishiji (南あわじ市) | 656-0314 |
| Matsuho Shichigawa (南あわじ市) | 656-0313 |
| Matsuho Shiohama (南あわじ市) | 656-0302 |
| Matsuho Takaya (南あわじ市) | 656-0315 |
| Matsuho Wakida (南あわじ市) | 656-0312 |
| Minato (南あわじ市) | 656-0332 |
| Minatosato (南あわじ市) | 656-0331 |
| Nada (南あわじ市) | 656-0551 |
| Nushima (南あわじ市) | 656-0961 |
| Okanosato (南あわじ市) | 656-0328 |
| Others (南あわじ市) | 656-0400 |
| Shichi (南あわじ市) | 656-0321 |
| Shichi Hansanji (南あわじ市) | 656-0323 |