WiseGuys has the George Lopez pre-sale passcode! This is a great chance for you to order George Lopez show tickets before the public. George Lopez presale password for early tickets in Universal City You don’t want to miss George Lopez’s show in Universal City, CA do you? Tickets will sell out when they go on sale: during the pre-sale you can buy your tickets before they become sold out.
George Lopez hot show details:

George Lopez
Gibson Amphitheatre at Universal CityWalk
Universal City, CA
Sat, Aug 31, 2013 08:15 PM – Sun, Sep 1, 2013 08:15 PM

Onsale to General Public
Start: Fri, 06/14/13 01:00 PM PDT

Live Nation / Mobile App Presale
Start: Thu, 06/13/13 10:00 AM PDT
End: Thu, 06/13/13 10:00 PM PDT

You can use the following presale codes and information to buy tickets:

Here is a tip you can use: If a presale code says it is not in the system – check to make sure that the presale is still valid: you could be looking at a very old post, also keep in mind that there might be more than one presale happening – if there are a few boxes where presale passwords can be keyed in you might need to try a couple of different combinations to find the right combination.