Exempt Organizations (EO) administers tax law governing charities, private foundations and other entities exempt from federal income tax. How to contact us For answers to questions about charities and other non-profit organizations, call IRS Tax Exempt and Government Entities Customer Account Services at 877-829-5500 (toll-free number). If you prefer to write, use the address below. For answers to employment tax questions, call the Business and Specialty Tax Line at 800-829-4933 (toll-free). To elevate an issue in a specific exempt organization case, contact the agent or manager identified in correspondence related to that case. You may also write or fax to: Internal Revenue Service TE/GE Exempt Organizations Room 6403 P.O. Box 2508 Cincinnati, OH 45201 Fax: 855-204-6184 To initiate a closing agreement unrelated to an ongoing examination, contact the EO closing agreement coordinator. Quick links Алфавитный указатель (A-Z) (Английский) Дополнительная информация и ресурсы в области обучения (Английский) Публикации (Английский) Процесс аудита (Английский) Контактная информация (Английский) О нас (Английский)