Mobile payments with Airtime - List of Merchants/Products

[boeriebuffet]

This thread is to create a comprehensive list of which merchants have a mobile airtime payment option (you pay with the airtime balance on your phone). On a continent with many non-banked individuals this is a viable alternative. Please include the name of the merchant/provider and which products/services can be purchased.

As an example (to eliminate the obvious first):

Vodacom/MTN/CellC - SMS/MMS Bundles, Data, Competitions