The Internal Revenue Service (IRS) provides assistance with federal tax information for businesses and the self-employed, including questions about federal tax forms, employee and payroll taxes, and business tax credits.

You can also get information about:

  • Employer ID numbers
  • Employment taxes
  • Small business and self-employed tax center
  • Small business events
  • Tax calendar
  • Tax credits and provisions


Learn more about business taxes.

By Phone

  • Agency: United States Department of the Treasury
  • Division: Internal Revenue Service Business and Specialty Tax Line
  • Phone Number: (800) 829-4933
  • Business Hours: Monday - Friday: 7 AM - 7 PM
  • Staff is available through the automated phone system during business hours.

All IRS offices are open Monday to Friday from 8:30 AM to 4:30 PM  by appointment only. Call the local IRS office to schedule an appointment.


1200 Waters Place (between Westchester Avenue and Ramp)
Phone: (718) 536-3660


420 Albee Square West (between Willoughby Street and Fulton Street)
Phone: (844) 545-5640


2116 Adam Clayton Powell Jr. Boulevard (between Dr. Martin Luther King Jr. Boulevard and West 126th Street)
Phone: (212) 803-1069

290 Broadway (between Duane Street and Reade Street)
Phone: (212) 436-1000


57-07 Junction Boulevard (between 57th Avenue and 58th Avenue)
Phone: (347) 665-0171

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