Here's a code you can use:

238YBKR4

Note: You must own FFXIV and enter the code before purchasing your first subscription.

How To register a friend code:

1)Create a Square Enix account
2)Log into your Mog Station
3)Manage Service Option
4)Enter Recruitment Code

Use the code you will receive

• 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 to the Calamity Salvager NPC for special items. The Calamity Salvager NPC can be found in Limsa Lominsa, Gridania, or Ul'dah.

You're also more than welcomed to add me too if you want if you're on Crystal Datacenter.