What is the email address for the customer service?

They don't have one.  You can't email them.

Contact Customer Service
5am-9pm Pacific Time Monday - Sunday
https://support.turbotax.intuit.com/contact/

What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632

[email address removed]

[email address removed]   I have moved and I can't get into my account w a new phone number.  I just now changed my userid and password. Do I even need to call up last years tax file

?

[email address removed]

Are you having issues logging into your account?  For Account Recovery, please visit the link here. 

@Cricket6543