Below are the mobile number series starting with 8580100. 8580100 mobile series has been awarded to BSNL Mobile Operator for Bihar & Jharkhand Circle. So, all the numbers starting with 8580100, including 85801000, 85801001, 85801002, 85801003, 85801004, 85801005, 85801006, 85801007, 85801008 and 85801009 belong to BSNL Mobile Bihar & Jharkhand. There are a total of around 1 Thousand (One Thousand) mobile numbers possible with the series 8580100. With each sub-series like 85801000, around One Hundred (99 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 8580100 ( Eight Five Eight Zero One Zero Zero ).