The IRS address you use depends on where you live and whether you are enclosing a check or expecting a refund - check the addresses above on this page. You should send your return through the U.S. Postal Service
If you use a non-IRS labeled envelope, make sure you print the proper IRS address. Customers who wish certification their tax mail form is received by IRS should mail it using Certified Mail Service/Return Receipt - available at your local post office or online atusps.com.If purchased online...
territory, of using an APO or FPO address, of filing Form 2555 for Foreign Earned Income (URL: https://www.irs.gov/pub/irs-pdf/f2555.pdf) or Form 4563 for Exclusion of Income for Bona Fide Residents of American Samoa (URL: https://www.irs.gov/pub/irs-pdf/f4563.pdf), or of ...
"Where To File a Paper Form 4868," Form 4868 page 4: via U.S. Department of the Treasury Internal Revenue Service (IRS) @ https://www.irs.gov/pub/irs-pdf/f4868.pdfSources Consulted U.S. Department of the Treasury Internal Revenue Service. "Form 1040 U.S. Individual Income Tax...