Below are the mobile number series starting with 99100120. 99100120 mobile series has been awarded to Airtel India Operator for Delhi Circle. So, all the numbers starting with 99100120, including 991001200, 991001201, 991001202, 991001203, 991001204, 991001205, 991001206, 991001207, 991001208 and 991001209 belong to Airtel India Delhi. There are a total of around 1 Hundred (One Hundred) mobile numbers possible with the series 99100120. With each sub-series like 991001200, around Ten (9 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 99100120 ( Nine Nine One Zero Zero One Two Zero ).