| Abuja | Territoire de la capitale fédérale du Nigeria | Nigeria | 590,400 | 900001, 900102, 900104, 900108, 900110, 900211, 900221, 900241, 900242, 900243, 900244, 900246, 900247, 900271, 900281, 900285, 900286, 900287, 900288, 901002, 962101 |
| Kachia | État de Kaduna | Nigeria | 30,893 | 802101, 802102, 802117, 802118, 802155, 802156, 802157 |
| Kaduna | État de Kaduna | Nigeria | 1,582,102 | 800211, 800212, 800213, 800214, 800221, 800241, 800242, 800243, 800244, 800245, 800246, 800247, 800251, 800252, 800261, 800262, 800263, 800264, 800265, 800266, 800271, 800272, 800273, 800281, 800282, 800283 |
| Kagarko | État de Kaduna | Nigeria | — | 802104 |
| Kano (Nigeria) | État de Kano | Nigeria | 3,626,068 | 671101, 700105, 700213, 700222, 700281 |