Yes, you can file Form W-7, Application for IRS Individual Taxpayer Identification Number (ITIN), with your federal income tax return. ... If you qualify for an exception, then file Form W-7 with your proof of identity and foreign status documents and supporting documentation for the exception.
Mail your W-7, tax return, proof of identity, and foreign status documents to:
Internal Revenue Service
Austin Service Center
ITIN Operation
P.O. Box 149342
Austin, TX 78714-9342
In addition you may-
Apply for an ITIN in-person using the services of an IRS-authorized Certifying Acceptance Agent. This will prevent you from having to mail your proof of identity and foreign status documents.
or
Make an appointment at a designated IRS Taxpayer Assistance Center. This will also prevent you from having to mail your proof of identity and foreign status document
