The code can be emailed. There is a $0.05 shipping option available if you wish to use this method. Code is generally emailed within a few hours (Weekends and public holidays included!)
PlayStation Network Cards are a great way to add credit easily to your PlayStation Network wallet without needing a credit card. Simply purchase a PlayStation Network Card, enter the 12 digit code and start treating yourself to some great downloadable content for the PlayStation 3 and PSP from PlayStation Store.