Did you do the following using the latest revision of Form W-7? Did you mail it to the address below?
Use the latest revision of Form W-7, Application for IRS Individual Taxpayer Identification Number to apply. Attach a valid federal income tax return, unless you qualify for an exception, and include your original, notarized, or certified proof of identity and foreign status documents.
Because you are filing your tax return as an attachment to your ITIN application, you should not mail your return to the address listed in the Form 1040, 1040A or 1040EZ instructions. Instead, send your return, Form W-7 and proof of identity and foreign status documents to:
Internal Revenue Service
Austin Service Center
ITIN Operation
P.O. Box 149342
Austin, TX 78714-9342
General ITIN Information:
http://www.irs.gov/individuals/article/0,,id=222209,00.html
Application for IRS Individual Taxpayer Identification Number:
http://www.irs.gov/pub/irs-pdf/fw7.pdf