Awasome Internal Revenue Service Submission Processing Center Austin Tx 73301 Address Ideas. When sending my tax returns by fedex internationally, i am to send it to: Private delivery services should deliver returns, extensions and payments to the following submission processing center street addresses only:

Private delivery services should deliver returns, extensions and payments to the following submission processing center street addresses only: For example, when sending a tax return, address it to “internal revenue service” or “irs.” include the street address, “3651 s ih 35,” followed by “austin, tx 73301,” the zip. The irs address in austin, texas, is the department of the treasury, internal revenue service, austin, tx 73301, says the internal revenue service.