Haven't received my stimulus check in the mail

I'm so sorry to hear that you haven't received your stimulus check in the mail. Here are some steps you can take to try to resolve the issue:

Check the IRS website: Visit the IRS website at www.irs.gov and use the "Get My Payment" tool to see if your payment has been processed and when it was mailed. You'll need to enter your Social Security number, date of birth, and zip code to access the tool.
Contact the IRS: If the "Get My Payment" tool doesn't show your payment, you can contact the IRS directly. You can call the IRS at 1-800-829-1040 (Monday to Friday, 7:00 a.m. to 7:00 p.m. local time) and ask to speak with a representative. Be prepared to provide your Social Security number, date of birth, and zip code.
Check with your bank: If you have direct deposit set up with the IRS, you may be able to check with your bank to see if the payment has been deposited into your account.
Contact your local post office: If you're concerned that your stimulus check may have been lost in the mail, you can contact your local post office to see if they have any information about the status of your payment.
Check with the Treasury Department: The Treasury Department is responsible for issuing stimulus checks. You can contact them at 1-800-829-1040 (Monday to Friday, 7:00 a.m. to 7:00 p.m. local time) to ask about the status of your payment.

Some common reasons why you may not have received your stimulus check include:

Incorrect address: Make sure your address is up to date with the IRS and the US Postal Service.
Payment was mailed to a different address: If you've moved recently, you may need to update your address with the IRS.
Payment was returned to the IRS: If the IRS was unable to deliver your payment, it may have been returned to them. You can contact the IRS to see if this is the case.
Payment was delayed: The IRS may have delayed your payment for various reasons, such as processing errors or technical issues.

I hope these steps help you resolve the issue and receive your stimulus check as soon as possible.