Below are the mobile number series starting with 81764. 81764 mobile series has been awarded to Tata Docomo Operator for UP (East) Circle. So, all the numbers starting with 81764, including 817640, 817641, 817642, 817643, 817644, 817645, 817646, 817647, 817648 and 817649 belong to Tata Docomo UP (East). There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 81764. With each sub-series like 817640, 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 81764 ( Eight One Seven Six Four ).