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Maryland State Tax Refund Status Information. You can use Maryland's online services to check the status of your tax refund or to find out if they have had trouble delivering your refund by clicking below. You may also check your refund status by calling (800) 218-8160 or 410-260-7701 in Central Maryland.
Individual Income Tax: Call 410-974-2432 from Central Maryland or toll-free 1-888-674-0016 from elsewhere. Business Tax: Call 410-649-0633 from Central Maryland or toll-free 1-888-614-6337 from elsewhere in Maryland. If you forgot to file a personal income tax or business tax return, missed a deadline or have a tax liability to clear up, we can help you determine what to do next.