Click on the link above for online forms and information.
OR
If you wish to speak with a representative of the Internal Revenue Service, you may call the IRS office at the U.S. Embassy in Frankfurt, Germany, at 49-69-7535-3834 or 49-69-7535-3823.
Written inquiries may be sent via FAX to 49-69-7535-3803 or by email to IRS.frankfurt@irs.gov