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Internal Revenue Service

Internal Revenue Service
Austin Service Center
ITIN Operation
P.O. Box 149342
Austin, TX 78714-9342

IN
1-800-829-1040
 
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Individual Taxpayer Identification Number (ITIN) ITIN Apply Now

When to Apply for ITIN


Complete and attach Form W-7 when you file the tax return for which the ITIN is needed. However, if you meet one of the exceptions described later under h, Other, complete and submit Form W-7 as soon as possible after you determine you are covered by that exception. Allow 6 weeks for the IRS to notify you of your ITIN (8-10 weeks if submitted during peak processing periods (January 15 through April 30) or if you are filing from overseas). If you have not received your ITIN or correspondence at the end of that time, you can call the IRS to find out the status of your application.


Telephone Assistance
   
If you are in the United States:

            Telephone:        1-800-829-1040  (toll-free)
             Hours:                Monday � Friday, 7:00 a.m. � 10:00 p.m. your local time
                                          Alaska & Hawaii follow Pacific Time.

If you are outside the United States:

             Telephone:       267-941-1000 (not toll-free)
             Hours:                Monday � Friday, 6:00 a.m. � 11:00 p.m. Eastern Standard Time

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