Contact the IRS
- The main IRS website is www.irs.gov.
- Tax information for charities and other nonprofits can be found at:http://www.irs.gov/charities/index.html?navmenu=menu1.
- Here is the number to call the IRS Customer Service for nonprofit organizations: 1-877-829-5500. The best time to call them is about 8:35 a.m. Eastern Time. Later in the day, they may be busy and unable to take your call. (If you are calling about a specific nonprofit, it’s best to have the name and EIN when you call).