Below are the mobile number series starting with 91831. 91831 mobile series has been awarded to BSNL Mobile Operator for Chennai Circle. So, all the numbers starting with 91831, including 918310, 918311, 918312, 918313, 918314, 918315, 918316, 918317, 918318 and 918319 belong to BSNL Mobile Chennai. There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 91831. With each sub-series like 918310, around 10 thousand (9,999 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 91831 ( Nine One Eight Three One ).