Below are the mobile number series starting with 87999721. 87999721 mobile series has been awarded to Reliance Mobile CDMA Operator for UP (East) Circle. So, all the numbers starting with 87999721, including 879997210, 879997211, 879997212, 879997213, 879997214, 879997215, 879997216, 879997217, 879997218 and 879997219 belong to Reliance Mobile CDMA UP (East). There are a total of around 1 Hundred (One Hundred) mobile numbers possible with the series 87999721. With each sub-series like 879997210, 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 87999721 ( Eight Seven Nine Nine Nine Seven Two One ).