You can get a virtual card from the app, conveniently and without having to travel.
If you wish, you can also buy and activate the physical Correos Prepaid Card on the spot by going to any Post Office by providing your identity document.
The entire registration process can be carried out through the app or at the Office.
Once you are a customer, you can buy up to 4 cards and have them activated simultaneously in your account. All of them will share the same balance but you will have 4 cards with 4 different numbers.