| Value | Category |
|---|---|
| 01 | Dodoma |
| 02 | Arusha and Manyara |
| 03 | Kilimanjaro |
| 04 | Tanga |
| 05 | Morogoro |
| 06 | Pwani |
| 07 | Dar es Salaam |
| 08 | Lindi |
| 09 | Mtwara |
| 10 | Ruvuma |
| 11 | Iringa and Njombe |
| 12 | Mbeya |
| 13 | Singida |
| 14 | Tabora |
| 15 | Rukwa and Katavi |
| 16 | Kigoma |
| 19 | Geita, Kagera, Mwanza, Shinyanga, Simiyu |
| 20 | Mara |
| 51 | Zanzibar North |
| 52 | Zanzibar South |
| 53 | Zanzibar town or west |
| 54 | Pemba North |
| 55 | Pemba South |