IRS Phone Support
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Below is a list of IRS websites that provide phone contact information for various departments of the IRS:
 
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.
 
 
For Tax Practitioners/Preparers ONLY:
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).