Are the last 4 digits of the bank account shown on the Payment Status notice correct? If not, does the US Post Office have your correct address?
See the Q&As under Bank Account Information for possible explanations of what happened:
Get My Payment Frequently Asked Questions | Internal Revenue Service
All we can do is direct you to the IRS web sites. TurboTax gets no information about the status of stimulus payments. Things seem to change frequently with how the IRS handles all of this.
