IRS individual tax questions: 1-800-829-1040
IRS business tax questions: 1-800-829-4933
Web site: www.irs.gov

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IRS individual tax questions: 1-800-829-1040
IRS business tax questions: 1-800-829-4933
Web site: www.irs.gov
The ATCC does not administrate the MD Tax Connect portal, nor is it responsible for the collection of taxes for any business purposes. Please contact the Office of the Comptroller at 1-800-MDTAXES if you require assistance with these resources.