My 2019 tax refunds were slow to process after being accepted. Then I had to amend the return. I've still not received state or federal return. Who can I contact?

[dpark760]

Replying to my own message here since the initial message was character-limited.

Yes, I've called the IRS.  "Due to extremely high call volume, your call cannot be completed.  Go to www.blahblahblah."

Yes, I've been to the IRS website (https://www.irs.gov/refunds) and tried the "Check my refund status" button.  Entered SS#, entered type of filing (single, married filing jointly, etc.) and entered the original refund amount (amount before amendment).  Result:

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Refund Status Results

We have received your tax return and it is being reviewed.

Please Note:

For refund information, please continue to check here, or use our free mobile app, IRS2Go. Updates to refund status are made no more than once a day.
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That would all be fine except for the fact that it's been "under review" for over six months.  I know it's COVID and all, but is there some way to see what the exact problem is?

[JotikaT2]

This is the most recent information available on the IRS website regarding the status of their operations. 

See the section titled Filed an Individual Tax Return (Form 1040) for tax year 2019 or tax year 2020...for more information as it relates to your situation.

IRS operations

You can also try connecting with a taxpayer advocate at this point.  They will be able to assist you as they will have access to more information as it relates directly to your specific tax return and situation.

Tax advocate services