Below are the mobile number series starting with 8583580. 8583580 mobile series has been awarded to Airtel India Operator for Kolkata Circle. So, all the numbers starting with 8583580, including 85835800, 85835801, 85835802, 85835803, 85835804, 85835805, 85835806, 85835807, 85835808 and 85835809 belong to Airtel India Kolkata. There are a total of around 1 Thousand (One Thousand) mobile numbers possible with the series 8583580. With each sub-series like 85835800, 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 8583580 ( Eight Five Eight Three Five Eight Zero ).