Colorado Department Of Revenue Address Denver 80261, Get more information for Colorado Department Of Revenue in Denver, CO. com www. TaxColorado. If the addresses don't match, the DENVER, Tuesday, January 27, 2026 — Taxpayers can now file income tax returns for 2025. Write your Social Security number, the tax year, and the words 'Form DR0104EP' Colorado Department of Revenue Denver, CO 80261-0006 Do not submit the copies of the Colorado K-1s issued to partners (or the DR 1706 transmittal form) as an attachment to any paper form DR 0106 Just Now Return this form with check or money order payable to the Colorado Department of Revenue, Denver, Colorado 80261-0008. Colorado tax returns filed by mail go to the Colorado Contact Us Wondering About Your Refund? Visit the Refund page to find out how you can check your refund status, no phone call needed! State Website Revenue Website Taxation Website Privacy and Security Policy Accessibility Contact Us Website Feedback Get more information for Revenue, Colorado Department in Denver, CO. See reviews, map, get the address, and find directions. , Suite 100 Denver, Colorado 80204 For directions and parking information, please click . com 1375 Sherman Street Denver, CO 80261 Directions Hours Monday - Friday, Contact Us By Phone Call the Taxpayer Helpline Your time matters. Do not send a copy of the return. Write your Colorado Account Number or Federal Employer Helpline 303-238-7378 Registration Control 303-866-4176 www. The Colorado Department of Revenue, Taxation Division, offers tips to A check should never be sent to the Department of Revenue without a voucher form. Completed Colorado K-1s must be filed with the Department, as described later in these instructions. Find the right mailing address for your Colorado tax return, plus tips on deadlines, postage, and what to do if you can't pay your full balance. Driver License/ID Change of Address (DR 2285) The address on a PTC application must match the address on file for each applicant's driver license or Colorado ID. Click here to schedule a call from the Department of Revenue (303) 238-7378 Taxpayer Service Representatives are available (except Contact Us - DMV Contact Us at the Colorado Department of Motor Vehicles Division of Motor Vehicles 1351 5th St. The zip code 80261 is exclusive to the Colorado Department of Revenue. On or before the date the Colorado K-1s are filed with the Department, the partnership or S corporation You may also send your completed request to: Division of Motor Vehicles Room 136 Denver, CO 80261-0016 The duplicate license will be sent to the address that you provide on the form. As a result, a street address or box number is not required when mailing forms or payments to 80261 via USPS First Class Mail.
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