A recent post on the official LOTRO forums by Patience has revealed the first seven server names...
Originally Posted by Patience
As Turbine's Open Beta draws ever closer, we’ve heard you say you want to start getting organized for the big day! Now you can pick which servers you’ll meet your friends and kinship members on. Although this is not a complete list, here are the first seven servers which will be available to our players when Open Beta begins for players in the United States, Canada, Australia, and New Zealand.
The first seven LOTRO servers are, in alphabetical order (drumroll please!):
We hope this helps everyone get ready to start playing - remember, Open Beta begins March 30 for Pre-order
customers and April 6 for everyone else! Have fun!