The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws. Show Agency DetailsAcronym:IRS Website:Internal Revenue Service (IRS) Contact:Stimulus check information Contact the Internal Revenue Service Tax Reform Information and Services Help With Tax Questions Taxpayer Advocate Service Report Tax Fraud IRS Hotlines International IRS Offices Where to File Paper Tax Returns Local Offices:Find a Taxpayer Assistance Center Near You Main Address:1111 Constitution Ave., NW Phone Number:1-202-622-5000 Toll Free:1-800-829-1040 TTY:1-800-829-4059 Forms:Internal Revenue Service Forms Government branch:Executive Department Sub-Office/Agency/Bureau Popular Services from Internal Revenue ServiceStimulus check information Apply for EIN Number Tax Preparation Tools Top Tax Forms Form 1040 Form W-9 Make a Payment Where is My Refund? Parent Agency
When sending inquiries and/or information, please be sure to address the envelope to the Indiana Department of Revenue (DOR). For example, if a customer is sending DOR information for individual income tax, they will need to mail it to: Indiana Department of Revenue Returns should be mailed to one of the following addresses: If you are including payment: If you are requesting a refund:
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