Below are the mobile number series starting with 90121. 90121 mobile series has been awarded to Vi (Vodafone Idea) Operator for UP (West) Circle. So, all the numbers starting with 90121, including 901210, 901211, 901212, 901213, 901214, 901215, 901216, 901217, 901218 and 901219 belong to Vi (Vodafone Idea) UP (West). There are a total of around 1 lac (One Hundred Thousand) mobile numbers possible with the series 90121. With each sub-series like 901210, 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 90121 ( Nine Zero One Two One ).