Question: how to check airtel data balance in tanzania?
Answer: For assistance dial 100., To change lanuage dial 140., To check your balance dial *102#, To top up dial *104*scratchcode#, To top up an Airtel Tanzania number in Kenya dial 138*scratchcode., To select Airtel smartphone airtime bundle dial *148*22#, To select Airtel internet bundle dial *148*88#