| All postal codes in Kayanza |
| Benga, Kayanza |
| Bubezi, Kayanza |
| Canzara, Kayanza |
| Centre-Urbain, Kayanza |
| Cukiro, Kayanza |
| Gacu, Kayanza |
| Gahahe, Kayanza |
| Gihororo, Kayanza |
| Gitwa, Kayanza |
| Karinzi, Kayanza |
| Kibingo, Kayanza |
| Kinga, Kayanza |
| Kinyamukizi, Kayanza |
| Kinzobe, Kayanza |
| Magamba, Kayanza |
| Maruri, Kayanza |
| Migege, Kayanza |
| Mihigo, Kayanza |
| Mpanga, Kayanza |
| Muhweza, Kayanza |
| Murago, Kayanza |
| Murima, Kayanza |
| Mwendo, Kayanza |
| Nemba, Kayanza |
| Nkuba, Kayanza |
| Ntarambo, Kayanza |
| Nyabihanga, Kayanza |
| Nyabihigo, Kayanza |
| Nyabikaranka, Kayanza |
| Nyangwe, Kayanza |
| Ruhande, Kayanza |
| Ruvomo, Kayanza |
| Rwintare, Kayanza |
| Ryirengeye, Kayanza |
| Shikankoni, Kayanza |