You may direct your questions concerning political organizations to IRS TE/GE Customer Account Services at 877-829-5500 (toll-free number). Or you may write us at: Internal Revenue Service TE/GE Division, Room 6403 P.O. Box 2508 Cincinnati, OH 45201 Questions about employment taxes should be addressed to the Business and Specialty Tax Line at 800-829-4933 (toll-free). Additional information Forgot or lost your password? Problems in your data?