| Abuja | Federal Capital Territory (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 |
| Kaduna | Kaduna (delstat) | 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 |
| Maitama | Federal Capital Territory (Nigeria) | Nigeria | — | 900271 |
| Suleja | Niger (delstat) | Nigeria | 162,135 | 910101 |
| Zaria | Kaduna (delstat) | Nigeria | 975,153 | 810211, 810212, 810221, 810222, 810223, 810224, 810225, 810231, 810232, 810241, 810251, 810253, 810254, 810281, 810282 |