USSD codes is one technology that is used widely in Kenya. We use it for a host of things that range from buying airtime to subscribing for data plans and even for mobile money transactions. It is a very powerful tool that we use everyday as Kenyans and as such, network operators have a lot of USSD each that we use to Some of these USSD codes are shared between the networks (which makes it easy for us as the consumers) but some are completely different. This will require you to memorize them, but now, we have made it easy for you.
Unstructured Supplementary Service Data (USSD) – protocol used by GSM cellular telephones to communicate with the service provider’s computers. USSD can be used for WAP browsing. Prepaid callback service, mobile-money services, location-based content services. Menu-based information services, and as part of configuring the phone on the network. USSD messages are up to 182 alphanumeric characters in length. Unlike SMS messages, USSD messages create a real-time connection during sessions USSD session. The connection remains open, allowing a two-way exchange of a sequence of data. This makes USSD more responsive, services that use SMS.