No one from TurboTax can change your tax return in any way. Your tax return is encrypted and can only be accessed by the user of the software with the User ID and Password they used to create the account.
To contact TurboTax support -
See this TurboTax support FAQ on how to contact Support - https://ttlc.intuit.com/questions/3401489
Or -
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Or -
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
Or -
Use this phone number and select TurboTax - 1-800-4-INTUIT (1-800-446-8848)
Or -
On any TurboTax web page, including this one, scroll down to the bottom of the page and click on Contact us
