Below are the mobile number series starting with 800421. 800421 mobile series has been awarded to BSNL Mobile Operator for UP (East) Circle. So, all the numbers starting with 800421, including 8004210, 8004211, 8004212, 8004213, 8004214, 8004215, 8004216, 8004217, 8004218 and 8004219 belong to BSNL Mobile UP (East). There are a total of around 10 Thousand (Ten Thousand) mobile numbers possible with the series 800421. With each sub-series like 8004210, around 1 thousand (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 800421 ( Eight Zero Zero Four Two One ).