We are still waiting for IRS guidance regarding the direct deposit information for the stimulus payments. We will have more information once the government finalizes the details.
If the IRS does not use the same means for the stimulus check as for the tax refund, then they will mail the check to the address on the 2018 or 2019 tax return.
You can also stay updated by checking back using the following links.
IRS Coronavirus Tax Relief
TurboTax Corona Virus Tax Center Updates
Here is the SBTPG site … https://www.sbtpg.com/coronavirus-stimulus-payment-info/