IRS Addresses

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Address

FEDEX/UPS/DHL

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Austin – Internal Revenue Submission Processing Center
3651 S IH35
Austin TX 78741

USA

1-800-829-1040

Registered Mail

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Department of the Treasury 

Internal Revenue Service

Austin TX 73301-0215

USA

Registered Mail

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Internal Revenue Service

P.O. Box 1303

Charlotte, NC28201-1303

USA