Just to confirm, have you tried signing in following the steps outlined here: https://goo.gl/v7CdWx ? Keep us posted!
Hmm, here's an additional guide that may help you regain access (it covers more scenarios): https://goo.gl/q2Ijwz
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Hmm, here's an additional guide that may help you regain access (it covers more scenarios): https://goo.gl/q2Ijwz