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1249 S. Diamond Bar Blvd STE 644
Diamond Bar CA 91765

Internal Revenue Service Call Site

You can get immediate help with your Form 2290 questions by calling the Form 2290 call site. The hours of operation are Monday – Friday, 8:00 a.m. to 6:00 p.m., eastern time.

then use this number:

  866-699-4096 (toll free)

then use this number:

  859-320-3581 (not toll free)

The assistor will have access to your Form 2290 account information. Spanish speaking assistors are available. Have your Form 2290 and information about your filing available when you call.