Below are the mobile number series starting with 8583. 8583 mobile series has been awarded to Airtel India Operator for Kolkata Circle. So, all the numbers starting with 8583, including 85830, 85831, 85832, 85833, 85834, 85835, 85836, 85837, 85838 and 85839 belong to Airtel India Kolkata. There are a total of around 10 lac (One million) mobile numbers possible with the series 8583. With each sub-series like 85830, 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 8583 ( Eight Five Eight Three ).