國際區號/坦桑尼亞
(包括桑給巴爾島)
國家代碼+255
| Arusha | 27 |
| Dar Es Salaam | 22 |
| Dodoma | 26 |
| Iringa | 26 |
| Kagera | 28 |
| Kigoma | 28 |
| Kilimanjao | 27 |
| Lindi | 23 |
| Mara | 28 |
| Mbeya | 25 |
| Morogoro | 223 |
| Mtara | 23 |
| Mwanza | 28 |
| Pemba | 24 |
| Pwani | 23 |
| Rukwa | 25 |
| Ruvuma | 25 |
| Shinyanga | 28 |
| Singida | 26 |
| Tabora | 26 |
| 坦噶( | 27 |
| Zanzibar | 24 |