Every user of PlayStation Network could receive a PSN code without having to pay any money. You can also use them to purchase exclusive games and discounted add-ons. This can then help in paying subscription fees.
You need to know that there are various ways to get playStation codes and gifts for free. PSN codes are available for offline and online purchases. Then it'll be a totally secure choice to use a credit card as well. They are particularly helpful when you're really cautious about the use of credit cards. You can redeem them on the PlayStation Store for your play purchases.
PlayStation network or PSN code can be explained as a catchy title for the Sony PlayStation's GiftCards.