| State | Postal Code |
|---|---|
| Abia | 440001 |
| Adamawa | 640001 |
| Akwa Ibom | 520001 |
| Anambra | 420001 |
| Bauchi | 740001 |
| Bayelsa | 561001 |
| Benue | 970001 |
| Borno | 600001 |
| Cross River | 540001 |
| Delta | 320001 |
| Ebonyi | 840001 |
| Edo | 300001 |
| Ekiti | 360001 |
| Enugu | 400001 |
| Gombe | 760001 |
| Imo | 460001 |
| Jigawa | 720001 |
| Kaduna | 700001 |
| Kano | 800001 |
| Katsina | 820001 |
| Kebbi | 860001 |
| Kogi | 260001 |
| Kwara | 240001 |
| Lagos | 100001 |
| Nasarawa | 962001 |
| Niger | 920001 |
| Ogun | 110001 |
| Ondo | 340001 |
| Osun | 230001 |
| Oyo | 200001 |
| Plateau | 930001 |
| Rivers | 500001 |
| Sokoto | 840001 |
| Taraba | 660001 |
| Yobe | 320001 |
| Zamfara | 860001 |
| FCT (Abuja) | 900001 |
