Below are the mobile number series starting with 7991. 7991 mobile series has been awarded to Reliance JIO Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 7991, including 79910, 79911, 79912, 79913, 79914, 79915, 79916, 79917, 79918 and 79919 belong to Reliance JIO Bihar & Jharkhand. There are a total of around 10 lac (One million) mobile numbers possible with the series 7991. With each sub-series like 79910, around 1 lac (99,999 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 7991 ( Seven Nine Nine One ).