Below are the mobile number series starting with 99731. 99731 mobile series has been awarded to Airtel India Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 99731, including 997310, 997311, 997312, 997313, 997314, 997315, 997316, 997317, 997318 and 997319 belong to Airtel India Bihar & Jharkhand. There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 99731. With each sub-series like 997310, around 10 thousand (9,999 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 99731 ( Nine Nine Seven Three One ).