Below are the mobile number series starting with 87771. 87771 mobile series has been awarded to Reliance JIO Operator for Kolkata Circle. So, all the numbers starting with 87771, including 877710, 877711, 877712, 877713, 877714, 877715, 877716, 877717, 877718 and 877719 belong to Reliance JIO Kolkata. There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 87771. With each sub-series like 877710, 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 87771 ( Eight Seven Seven Seven One ).