How to check the active period of an Ace card, is it still the same or is it new?

How to check the active period of the As card? Is it still the same as before or is there a new one? You need to know this method and keep your number active so you can use all the services provided. The active period is the validity period of using a card service. If the number is still in the active period, it can be used to access the internet