Below are the mobile number series starting with 87999921. 87999921 mobile series has been awarded to Reliance Mobile CDMA Operator for UP (East) Circle. So, all the numbers starting with 87999921, including 879999210, 879999211, 879999212, 879999213, 879999214, 879999215, 879999216, 879999217, 879999218 and 879999219 belong to Reliance Mobile CDMA UP (East). There are a total of around 1 Hundred (One Hundred) mobile numbers possible with the series 87999921. With each sub-series like 879999210, 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 87999921 ( Eight Seven Nine Nine Nine Nine Two One ).