The following are the telephone codes in Tanzania.
The NSN length is nine digits.
Calls to Kenya and Uganda require a regional prefix rather than having to use full international dialling. To call Kenya from Tanzania, subscribers dial 005 instead of +254, while to call Uganda, they dial 006 rather instead of +256. To call Tanzania from Kenya and Uganda, subscribers dial 007 instead of +255.
Until 1999, Tanzania, Kenya and Uganda shared a telephone numbering plan, in which subscribers were only required to dial the trunk code, area code and number. In that year, Tanzania adopted a new numbering plan.
VoIP services begin with 41:
Non-geographic numbers for Corporate Networks start with 5.
See also Telecommunications in Tanzania#Telephones
Mobile numbers start with 6 or 7:
Non-geographic numbering begins 8 or 9:
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