Did you accidentally set up a second service account? If so, welcome to the club. Fill out a ticket using this form:
NA: https://support.na.square-enix.com/c...82&la=1&daxx=2
EU: https://support.eu.square-enix.com/c...83&la=2&daxx=2

Join us in this thread: http://forum.square-enix.com/ffxiv/t...ccount/page551

Wait about 2 weeks for SE to do anything if you're in NA. If you're in the EU, congrats, they can fix it when you contact live chat.