Below are the mobile number series starting with 831720742. 831720742 mobile series has been awarded to Vi (Vodafone Idea) Operator for UP (West) Circle. So, all the numbers starting with 831720742, including 8317207420, 8317207421, 8317207422, 8317207423, 8317207424, 8317207425, 8317207426, 8317207427, 8317207428 and 8317207429 belong to Vi (Vodafone Idea) UP (West). There are a total of around 10 (Ten) mobile numbers possible with the series 831720742. With each sub-series like 8317207420, around One mobile number is possible.

You can click on any of the number series below to view the sub-series / list of numbers under them, starting with 831720742 ( Eight Three One Seven Two Zero Seven Four Two ).