Zain South Sudan is a mobile communications and information technology services provider in South Sudan. Zain South Sudan is a subsidiary of the Zain Group, a telecommunications multinational, active in eight middle eastern and north African countries, serving an estimated 48.3 million customers, as of 30 June 2021.

Thanks to the early and careful planning, the network was established with 3G technology and later to the world’s most advanced 4G technology and covered South Sudan’s largest cities including Juba, Wau, Aweil,Bentiu and Malakal. The network was also extended to other populated cities and SIM Cards were changed to bear the new name, Zain-South Sudan (Zain SS).

Zain South Sudan was the first company to use the new numbers after migration to the new country code (+211) together with the new Zain-South Sudan SIM Cards in the newly born nation. Additionally, roaming subscribers in South Sudan were able to use the Zain-South Sudan network at a time when other networks were facing difficulties in accommodating roaming subscribers.