You typically can't change a custom URL after creation. However, you can remove the custom URL from your channel and claim a new one if you want to change it. More details: https://goo.gl/f3VCUC
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 typically can't change a custom URL after creation. However, you can remove the custom URL from your channel and claim a new one if you want to change it. More details: https://goo.gl/f3VCUC