The checks will arrive by mail in a white envelope from the US Department of the Treasury. LANSING, Mich. (WILX) - The IRS says more stimulus checks will be mailed out starting Wednesday. According to the agency, paper checks will arrive by mail in a white envelope from the US Department of the Treasury.

How long does it take for stimulus checks by mail?

The IRS updated its FAQ's. The new guideline is the physical checks could take three to four weeks to process and be mailed to you.

Can I track my stimulus check in the mail?

Yes, you can track your stimulus check in the mail by using the USPS Informed Delivery system if it's available for your mailing address.