Below are the mobile number series starting with 971991. 971991 mobile series has been awarded to Vi (Vodafone Idea) Operator for UP (West) Circle. So, all the numbers starting with 971991, including 9719910, 9719911, 9719912, 9719913, 9719914, 9719915, 9719916, 9719917, 9719918 and 9719919 belong to Vi (Vodafone Idea) UP (West). There are a total of around 10 Thousand (Ten Thousand) mobile numbers possible with the series 971991. With each sub-series like 9719910, 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 971991 ( Nine Seven One Nine Nine One ).