For finding out the status of your 501 c3 application, you will need to provide the following information whether checking it via mail or fax or call.
Organization’s name and EIN. Application number and the date on which the application was submitted If you are directly not asking for the status for the organization, you must mention if your organization was legally authorized to know the status of the application. A valid Form 2848, power of attorney, form 8821 and tax information authorization documents must be submitted. Via phone using the toll-free 877-829-5500 number. For inquiring through fax, use 855-204-6184 number. Mail them at Internal Revenue Service EO Determinations Attn: Manager, EO Correspondence P.O. Box 2508 Room 6-403 Cincinnati, OH 45202 For overnight delivery mail them at Internal Revenue Service Room 6-403 Attn: Manager, EO Correspondence 550 Main Street Cincinnati, OH 45202