Below are the mobile number series starting with 7991720. 7991720 mobile series has been awarded to Reliance JIO Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 7991720, including 79917200, 79917201, 79917202, 79917203, 79917204, 79917205, 79917206, 79917207, 79917208 and 79917209 belong to Reliance JIO Bihar & Jharkhand. There are a total of around 1 Thousand (One Thousand) mobile numbers possible with the series 7991720. With each sub-series like 79917200, around One Hundred (99 to be precise) mobile numbers are possible.

You can click on any of the number series below to view the sub-series / list of numbers under them, starting with 7991720 ( Seven Nine Nine One Seven Two Zero ).