Below are the mobile number series starting with 991131. 991131 mobile series has been awarded to Vi (Vodafone Idea) Operator for Delhi Circle. So, all the numbers starting with 991131, including 9911310, 9911311, 9911312, 9911313, 9911314, 9911315, 9911316, 9911317, 9911318 and 9911319 belong to Vi (Vodafone Idea) Delhi. There are a total of around 10 Thousand (Ten Thousand) mobile numbers possible with the series 991131. With each sub-series like 9911310, around 1 thousand (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 991131 ( Nine Nine One One Three One ).