| Locality | Post Code |
|---|---|
| Agejo (宇部市) | 755-0801 |
| Aioicho (宇部市) | 755-0043 |
| Arase (宇部市) | 759-0131 |
| Asahimachi (宇部市) | 755-0041 |
| Ashigawachi (宇部市) | 757-0211 |
| Asutopia (宇部市) | 755-0152 |
| Bunkyocho (宇部市) | 755-0056 |
| Bunkyodai (宇部市) | 755-0805 |
| Chuocho (宇部市) | 755-0045 |
| Fujigochi (宇部市) | 754-1313 |
| Fujimagari (宇部市) | 755-0057 |
| Funaki (宇部市) | 757-0216 |
| Furogasakocho (宇部市) | 755-0095 |
| Gojumeyamacho (宇部市) | 755-0005 |
| Hachiojicho (宇部市) | 755-0007 |
| Hamacho (宇部市) | 755-0065 |
| Hamada (宇部市) | 755-0806 |
| Higashifujimagari (宇部市) | 755-0803 |
| Higashihirabara (宇部市) | 755-0807 |
| Higashihommachi (宇部市) | 755-0028 |
| Higashikajigaeshi (宇部市) | 755-0039 |
| Higashikibe (宇部市) | 757-0401 |
| Higashikiwa (宇部市) | 755-0241 |
| Higashikogushi (宇部市) | 755-0068 |
| Higashikotoshiba (宇部市) | 755-0034 |
| Higashimagura (宇部市) | 757-0215 |