Below is information on contacting the IRS by phone or using their websites for assistance.
If you determine you do need to call for assistance, the site instructs how to prepare for the call and the information you will want to have ready before you call.
IRS Hours of Telephone Service: Monday through Friday, 7am to 7pm your local time unless otherwise noted (Alaska & Hawaii follow Pacific Time and Puerto Rico lines are open 8am to 8pm local time).
Face-to-face assistance: In certain areas, the IRS has local offices you may visit to receive assistance. All offices operate by appointment.
The Telephone Assistance website provides information on numbers available for IRS assistance for individuals, businesses, exempt organizations, retirement plan administrators, government entities, people with hearing impairments, individuals who believe they may be a victim of identity theft, people who live outside the United States and a list of local IRS offices.
The Telephone Assistance Contacts for Business Customers website provides more specific information on phone assistance for business customers, electronic filing and tax exempt and government entities.
The Telephone Numbers for FBAR and Title 31 Help website provides a number for technical Title 31 (Anti-Money Laundering) and FBAR (Report of Foreign Bank and Financial Accounts) questions.
The U.S. Citizens and Resident Aliens Abroad website provides contact information including a TOLL number (not toll-free) to the IRS Philadelphia office which provides international assistance. It also contains information on permanent IRS offices outside the United States.
The IRS website Practitioner Priority Service provides phone support for tax practitioners who have account-related questions with valid third party authorizations (i.e. Forms 2848, 8821 and/or 8655).