Phone Number of 
Irs Headquarters is 
+1- (800) 876-1715 (Toll Free), +1-(800) 829-1040 .
Internal Revenue Service (IRS) headquarters is situated in
 Federal Triangle complex of Washington, D.C, a
 Capital of the United States. The building is installed in the main centre of Federal Triangle complex. The
 Internal Revenue Service Building is covered by
 Pennsylvania Avenue (north) and 12th Street (west) that is the seven story building. The building was formed in the year 1936 by two American architects Simon and
 Louis A. The address and contact number of
 Irs Headquarters is also used for 
Irs directory, 
Irs subsidiaries, 
Irs Headquarters illuminati and 
where is the Irs Headquarters located.
 
Irs Headquarters Address 
The address of Irs Headquarters is Washington, D.C., United States of America..
Irs Headquarters Website 
The Website of Irs Headquarters is 
www.irs.gov.
Irs Headquarters Customer Support Service Phone Number 
The customer support phone number of Irs Headquarters is 
+1- (800) 876-1715 (Toll Free), +1-(800) 829-1040 (Click phone number to call).
The postal and 
official address, email address and 
phone number (
helpline) of 
Irs Headquarters Service Center and 
Irs Headquarters customer phone number  is given below. The  
helpline of Irs Headquarters customer phone number may or may not be 
toll free.
Click Here To View  Irs Headquarters Customer Service Phone Numbers