Where can I find my EIN verification letter? – Synapse
· If you have lost your EIN Verification Letter from the Department of Treasury, you can request a new one. To do so, call the IRS Business & Specialty Tax Line toll free at 1- 800-829-4933 between the hours of 7am and 7pm in your local time zone. Request a 147c letter when you speak with an agent on the phone. Requesting a letter is free.