The Area Codes of Tanzania:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code |
| 1. | Arusha, Kilimanjaro, Moshi, Tanga | 27 (+255 27) |
| 2. | Bukoba, Kagera, Kigoma, Mara, Mwanza, Shinyanga | 28 (+255 28) |
| 3. | Dar es Salaam | 22 (+255 22) |
| 4. | Dodoma, Iringa, Nzega, Singida | 26 (+255 26) |
| 5. | Kibaha, Kisarawe, Lindi, Morogoro, Mtwara, Pwani | 23 (+255 23) |
| 6. | Mbeya, Rukwa, Ruvuma | 25 (+255 25) |
| 7. | Tabora | 26 (+255 26) |
| 8. | Zanzibar (Unguja, Pemba, Chake Chake, Mkoani, Wete) | 24 (+255 24) |