You actually can't change a custom URL after it's been created. Check out the general eligibility requirements here: https://goo.gl/ruFcXC . Hope this helps clarify!
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
You actually can't change a custom URL after it's been created. Check out the general eligibility requirements here: https://goo.gl/ruFcXC . Hope this helps clarify!