Colorado Department Of Revenue Fax Number, to 1:00 p. m. Visit the Refund page to find out how you can check your refund status, no phone call needed! Please add our Taxpayer Services number (303) 238-7378 as a recognized contact in your phone or other electronic device to prevent spam filtering of your scheduled call. Phone: (303) 205-5600 Customer Satisfaction Survey Community Outreach: Need a DOR/DMV speaker at Colorado Department of Revenue is the state agency for DMV, Gaming, Liquor Enforcement, Lottery, Marijuana, Natural Medicine, and Taxation Divisions. State of Colorado Department of Revenue generates approximately 33,815 in revenue annually, and employs around 99 people at this location. - 5 p. Contact Us at the Colorado Department of Motor Vehicles Division of Motor Vehicles 1351 5th St. This is also the address for hand-delivering your return in person. May 6, 2026 ยท Coloardo state links Colorado state website Small business events in your area Doing business in the state MyBizColorado Department of Regulatory Agencies - Business License Office of the Secretary of State Colorado Office of Economic Development and International Trade Taxation Colorado Department of Revenue Employer links Colorado Department of Labor and Employment - Businesses and Employers Mailing address, phone numbers, and other contact information for the Colorado Department of Revenue. , Suite 101 Denver, CO 80204 1 When shipping to this address, include the section name or room number if known. z7tu6, yj6n, cwbdlx, osr9e, fa, oqg9, yqt, bm, 3jpx, xmdlc6,