| Value | Category |
|---|---|
| 20 | Hausa |
| 25 | Mupun |
| 50 | Bogghom |
| 110 | Kanuri |
| 200 | Fulani |
| 310 | Ijaw |
| 313 | Kalabari |
| 410 | Yoruba |
| 413 | Igala |
| 420 | Gwari |
| 430 | Edo |
| 431 | Esan |
| 434 | Urhobo |
| 500 | Igbo |
| 511 | Idoma |
| 512 | Igede |
| 610 | Khana |
| 620 | Efik |
| 660 | Mada |
| 690 | Ebira |
| 700 | Dadiya |
| 720 | Lunguda |
| 810 | Tiv |
| 820 | Mambilla |
| 840 | Kantana |
| 995 | Other uncoded |
| 996 | Pidgin |
| 997 | English |
| 998 | Foreign |