Below are the mobile number series starting with 8581. 8581 mobile series has been awarded to Vi (Vodafone Idea) Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 8581, including 85810, 85811, 85812, 85813, 85814, 85815, 85816, 85817, 85818 and 85819 belong to Vi (Vodafone Idea) Bihar & Jharkhand. There are a total of around 10 lac (One million) mobile numbers possible with the series 8581. With each sub-series like 85810, 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 8581 ( Eight Five Eight One ).