Below are the mobile number series starting with 7780. 7780 mobile series has been awarded to Vi (Vodafone Idea) Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 7780, including 77800, 77801, 77802, 77803, 77804, 77805, 77806, 77807, 77808 and 77809 belong to Vi (Vodafone Idea) Bihar & Jharkhand. There are a total of around 10 lac (One million) mobile numbers possible with the series 7780. With each sub-series like 77800, 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 7780 ( Seven Seven Eight Zero ).