Obtain your account information, such as your account number. If you are a closing an account for another individual such as an elderly parent or your spouse, make sure that you have their account information along with their Social Security number and address.
Call 866-232-9890 and speak with a customer service representative. Tell him that you want to close your account. He will ask you for all of the pertinent information. Confirm your address with the representative so he can send you forms to be filled out.
Fill out the forms that are sent to you. Make sure the forms contain the correct signatures and send them back to Charles Schwab. Your account will be closed and any money owed to you will be deposited in your bank account or mailed to you in the form of a check.