Free PlayStation Network (PSN) codes can be found on Points2Shop. It offers PSN codes to its members who perform various online activities, such as shopping, watching videos and doing surveys.
Points2Shop's registration and membership is free. All a person has to do is sign up for free with Points2Shop, activate his or her account and start earning points by playing online games or other online daily activities. Once the points are sufficient, then he or she can redeem the points for free PSN codes. Points2Shop also offers mobile applications for members to earn points while they are on the go.