| Value | Category |
|---|---|
| 0 | abroad |
| 1 | dodoma |
| 2 | arusha |
| 3 | kilimanjaro |
| 4 | tanga |
| 5 | morogoro |
| 6 | pwani |
| 7 | dar es salaam |
| 8 | lindi |
| 9 | mtwara |
| 10 | ruvuma |
| 11 | iringa |
| 12 | mbeya |
| 13 | singida |
| 14 | tabora |
| 15 | rukwa |
| 16 | kigoma |
| 17 | shinyanga |
| 18 | kagera |
| 19 | mwanza |
| 20 | mara |
| 21 | manyara |
| 97 | not dejure resident |