Phone support is not provided with the Free Edition. If you are using a paid version of the software or if you purchased PLUS you can get phone support when customer support is there. Otherwise, post your question here and someone will try to help.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 9 p.m. Pacific time
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
https://twitter.com/TeamTurboTax
or
Im at the end of preparing and sending my taxes. I've been asked for my email address and I haven't used it for a number of years. Cant the code be sent to my phone?
Please see this TurboTax FAQ for more information if you are having trouble with your verification code https://ttlc.intuit.com/community/security/help/what-if-i-m-having-trouble-with-my-filing-verificati....
You can update your email address.
Your new email address will be listed on the verification code page and you’ll receive another verification code at that address.