Internal Revenue Service

Internal Revenue Service

The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws.

Agency Details

Acronym:

IRS

Website:

Contact:

Local Offices:

Main Address:

1111 Constitution Avenue, NW
Washington, DC 20224

Phone Number:

1-202-283-1710

Toll Free:

1-800-829-1040

TTY:

1-800-829-4059

Government branch:

Executive

Parent Agency

 

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