If you account is disabled then you may not be able to get it back. Most accounts are disabled because of violating Zynga rules.
The issue in GetHuman-koolshee's own words
My account was locked by Twitter due to age restrictions that were heretofore not imposed on the users. I created my account *-* months before my **th birthday, in the year ****. I'm ** now and well past the age where any restriction could be valid. There has been no communication forthcoming from Twitter regarding the resolution of the locked account and I'm unable to even login to view my feed, let alone send tweets and messages. I'm extremely unwilling to use a new account. Please be prompt in resolving the matter as otherwise such delays are prone to drive many of your users away from Twitter entirely.
GetHuman-koolshee did not yet indicate what Twitter should do to make this right.
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