Calling Tanzania from the United States explained:
- 011 - US exit code; dial first for international calls made from the USA or Canada
- 255 - Country Code for Tanzania
- area code - 2 digit area codes
- phone number - 7 digits
- US to Tanzania international dialing format: 011 + 255 + ?? + ??? ????
Area Codes:
| Arusha | 27 | Lindi | 23 | Ruvuma | 25 |
| Coast Region | 23 | Mara | 28 | Shinyanga | 28 |
| Dar es Salaam | 22 | Mbeya | 25 | Singida | 26 |
| Iringa | 26 | Morogoro | 23 | Tabora | 26 |
| Kagera | 28 | Mtwara | 23 | Tanga | 27 |
| Kigoma | 28 | Mwanza | 28 | Zanzibar | 24 |
| Kilimanjaro | 27 | Rukwa | 25 |
How to dial to Tanzania cellular:
- dialing format for calls to a cell phone: 011 + 255 + 7?? ??? ???
Phone Books:
- Annuaire Tanzanie - White and Yellow Pages
- Brabys - Business portal for several African nations