Code: 8A8BV7MV
Code: UQ83QUD2
Code: QDYKEWWM
Code: CSG83GJB

You can register the code by

1. Creating a Square Enix account
2. Logging into your Mog Station here -> http://sqex.to/Msp
3. Goin to the tab "Manage Service Option"
4. Last but not least, entering the Recruitment Code - before you purchase your first 30 days

Good luck!