| Place | Post Code |
|---|---|
| Baine, Koya | None |
| Baka, Koya | None |
| Bake Mamule, Koya | None |
| Bakebana, Koya | None |
| Bankalol, Koya | None |
| Batpo, Koya | None |
| Fondu, Koya | None |
| Forodugu, Koya | None |
| Futa, Koya | None |
| Gbabai, Koya | None |
| Gbailo, Koya | None |
| Gbandoma, Koya | None |
| Gbane, Koya | None |
| Gbap, Koya | None |
| Gberi, Koya | None |
| Gbese, Koya | None |
| Gbonko-Mabuya, Koya | None |
| Gbonkopil, Koya | None |
| Gboro, Koya | None |
| Grima, Koya | None |
| Jabama, Koya | None |
| Kagbunkoh, Koya | None |
| Kakande, Koya | None |
| Kamatereh, Koya | None |
| Kigbal, Koya | None |
| Kisi, Koya | None |
| All postal codes in Port Loko | |
|---|---|
| Bureh Kasseh, Port Loko | |
| Kaffu Bullom, Port Loko | |
| Koya, Port Loko | |
| Lokomasama, Port Loko | |
| Maforki, Port Loko | |
| Marampa, Port Loko | |
| Masimera, Port Loko | |