Customers can call 1-800-ASK-USPS (1-800-275-8777) to find out April 17 late tax mail collection sites, and/or the retail/customer service hours of their local Post Office.
The IRS says 25 to 33 percent of people wait until the last week to file or mail their return.
Here are some important tax tips about sending returns through the mail:
- Apply proper postage and stamps, especially with extra forms/schedules. It costs 44 cents for the first ounce; 17 cents for each additional ounce. One ounce is about four pages.
- If you use a larger envelope, First Class postage is 88 cents for the first ounce, 17 cents for each additional ounce.
- If you are not sure about the postage, it is best to add additional stamps or to take your tax mail forms in your envelope to the Post Office to ensure that correct postage is applied.
- If you use a non-IRS labeled envelope, make sure you print the proper IRS address.
- Print your return address in the upper-left-hand corner of your tax mail envelope.
- Customers who want certification that their tax mail form is received by the IRS, should mail it using Certified Mail Service/Return Receipt - available at your local Post Office.
- While you are encouraged to mail your tax return before April 15, if you do wait to mail it late on tax day, be sure to drop off your tax return at a postal location that offers late tax mail pick-up.
- Customers with tax questions can contact the IRS at 1-800-829-1040; or www.irs.gov.
Click here to visit the USPS website to look for a post office location near you.
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