Internal Revenue Service
The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws.
Agency Details
Acronym:
IRS
Website:
Contact:
Contact the Internal Revenue Service
Local Offices:
Main Address:
1111 Constitution Ave., NW
Washington,
DC
20224
Phone Number:
1-202-622-5000
Toll Free:
1-800-829-1040
TTY:
1-800-829-4059
Forms:
Government branch:
Executive Department Sub-Office/Agency/Bureau