Did you read the article I posted a link to?
If you're unsuccessful using any of these methods, go to appleid.apple.com and choose Forgot Apple ID or password. Provide as much information as you can, then start the account recovery waiting period. We know this delay is inconvenient, but it's important so that we can keep your account and information safe.
If necessary, there is a contact link.
Apple ID Support
Apple ID Support (2)
Apple Support by e-mail or chat Work through the screens to get a chat option.
Apple Support using Twitter
Or fill out and submit this form. The form is for iTunes, but it will get passed to the ID Support section.