Below are the mobile number series starting with 99100. 99100 mobile series has been awarded to Airtel India Operator for Delhi Circle. So, all the numbers starting with 99100, including 991000, 991001, 991002, 991003, 991004, 991005, 991006, 991007, 991008 and 991009 belong to Airtel India Delhi. There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 99100. With each sub-series like 991000, 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 99100 ( Nine Nine One Zero Zero ).