Call the IRS main number at 800-829-1040
Call early in the morning or later in the day to reduce wait times
Have your Social Security number or ITIN ready
Have your tax return and any IRS letters or notices ready
Follow the automated prompts carefully
Choose the option for “personal tax questions” or “refund” if applicable
Press the option to speak with an agent when offered
If the system asks for your reason, say “representative” or “agent”
If disconnected, call back and try again
Use the IRS TTY/TDD number at 800-829-4059 if you are hearing impaired
Call the business tax line at 800-829-4933 for business tax issues
Call the IRS payment line at 800-829-1040 for payment-related questions
Use the IRS International Services line at 267-941-1000 if you are outside the United States
Use the IRS Taxpayer Advocate Service at 877-777-4778 for unresolved problems
Contact the IRS through your online account for account-specific notices and messages
Visit a local Taxpayer Assistance Center if phone support is unavailable