I have 1 code available:

UD23VWRY

You can register the code by
  1. Creating a Square Enix account.
  2. Logging into your Mog Station here -> http://sqex.to/Msp.
  3. Going to the tab "Manage Service Option".
  4. Enter the Recruitment Code before you purchase your first 30 days!

Bonus items are:
  • Friendship Circlet - Increases EXP earned by 20% when level 25 and below.
  • Aetheryte Ticket x 99 - Players in possession of an aetheryte ticket when using Teleport will not incur a gil fee.
  • Ballroom Etiquette - Improper Greetings: Using this will unlock a new emote. Fist Bump (/fistbump, /brofist).
  • 10 Silver Chocobo Feathers - Trade in to the Calamity Salvager NPC for special items. The Calamity Salvager NPC can be found in Limsa Lominsa, Gridania, and Uldah (starting cities).