Below are the mobile number series starting with 8777121. 8777121 mobile series has been awarded to Reliance JIO Operator for Kolkata Circle. So, all the numbers starting with 8777121, including 87771210, 87771211, 87771212, 87771213, 87771214, 87771215, 87771216, 87771217, 87771218 and 87771219 belong to Reliance JIO Kolkata. There are a total of around 1 Thousand (One Thousand) mobile numbers possible with the series 8777121. With each sub-series like 87771210, 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 8777121 ( Eight Seven Seven Seven One Two One ).