Keep these numbers for youR recordIMPORTANT IRS NUMBERS IRS Number 1-800-829-1040 Transcript 1-800-908-9946 Holds Depatment 1-866-897-3315 ID Verifification 1-800-908-4490 Tax Advocate Supervisor 1-800-829-1954 Refund Information 1-800-829-0582 Refund Short Waiting Period 1-800-829-0582 EXT 652 Tax Offset 1-800-829-0922 Accounting Department 1-800-829-0922 Treasury Department 800-826-9434