| All postal codes in Mabayi |
| Buhororo, Mabayi |
| Butahana, Mabayi |
| Gafumbegete, Mabayi |
| Gahoma, Mabayi |
| Gakerekwa, Mabayi |
| Gasebeyi, Mabayi |
| Gitukura, Mabayi |
| Kabere, Mabayi |
| Kibande, Mabayi |
| Mabayi, Mabayi |
| Mayuki, Mabayi |
| Miremera, Mabayi |
| Muhungu, Mabayi |
| Mukaka, Mabayi |
| Mukoma, Mabayi |
| Nyabungere, Mabayi |
| Nyagaseke, Mabayi |
| Nyarusebeyi, Mabayi |
| Rugongo, Mabayi |
| Ruhororo, Mabayi |
| Rushiha, Mabayi |
| Rutorero, Mabayi |