Taxpayers can contact the Internal Revenue Service for a number of reasons. Regardless of why you’re calling, you must contact the IRS within the hours of operation. As for the office hours, most local IRS offices are open between 8 AM to 5 PM. Generally, the IRS hours of operations are between 7 AM to 7 PM, your local time. The IRS customer services are available Monday through Friday.
However, certain hours of operations for certain taxpayers such as overseas taxpayers may differ. It’s best to call the IRS during the day in U.S. time. Here is the full list of phone numbers of the IRS where you can speak to a human.
For individual taxes, call 800-829-1040.
For business taxes, call 800-829-4933.
For corporate taxes, call 866-255-0654.
- Ask IRS to mail you paper tax forms at 800-829-3676
- Balance due questions at 800-829-0922
- Check the status of a tax refund at 800-829-1954
- Check the status of a tax refund being held at 866-897-3315
- Check the status of an amended tax return at 866-464-2050
- Disaster victims at 866-562-5227
- Estate and gift tax questions at 866-699-4083
- Excise tax questions 866-699-4096
- Identity and refund theft victims at 800-908-4490
- Innocent spouse relief at 866-681-4271
- International Taxpayers at 787-522-8601
- Lost ITIN documents at 800-908-9982
- Make a payment using the Electronic Federal Tax Payment System at 800-555-4477
- Order a tax transcript at 800-908-9946
- Overseas taxpayers at 267-941-1000
- Report incorrect income on a substitute return at 866-681-4271
- Report phishing and other scams 800-366-4484
- Schedule an appointment with a local IRS office at 844-545-5640
- See if bankruptcy changed your tax debt at 800-973-0424
- See which debts will offset your tax refund at 800-304-3107
- Self-employed taxpayers with account or tax law questions at 800-829-4933
- Status of application for Adoption Taxpayer Identification Number at 737-800-5511
- Stimulus check is wrong or never received at 800-919-9835
- Taxpayer Advocate Service at 877-777-4778
- Verify, payoff, or resolve a tax lien at 800-913-6050
- Whistleblower hotline at 800-829-0433