All State Offices will be closed December 24 to 26 · Taxpayer Service Representatives are available Monday through Friday, 8:00 a.m. to 4:30 p.m. MT (except on state holidays). Language translation service is available over the phone. Request this service once connected to a Taxpayer Service ...

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. To schedule a call with the Taxpayer Helpline Call scheduler, use the button below to schedule a time for Taxpayer Services ...

Visit the How to Send a Secure Message web page to learn more. ... Fuel Tax, International Fuel Tax Agreement (IFTA), Passenger Mile Tax, Exempt Use of Fuel Refund, and Aviation Fuel Sales Tax ... Sales & Use Tax System (SUTS) Support: Please dial the SUTS call line at 720-795-7759 or email DOR...

Colorado Department of Revenue Denver, CO 80261-0004 · If this is your first attempt to resolve a concern, please call the Taxpayer Services Helpline.

Welcome to the Colorado Department of Revenue! Colorado Department of Revenue is the state agency for DMV, Gaming, Liquor Enforcement, Lottery, Marijuana, Natural Medicine, and Taxation Divisions.

Visit 211Colorado.org, call (866) 760-6489 toll-free, or text your ZIP code to 898-211 to get help with tax-related questions. Help is available in multiple languages, including Spanish.

CDOR Information Line: (303) 205-8411

Colorado Individual Income Tax - Instructions and Forms

Phone: (303) 205-8291Hours of Operation:Monday-Thursday: 8:00 a.m. to 4:30 p.m.Friday: 9:00 a.m. to 4:30 p.m.Mailing Address:Colorado Department of RevenueAttn: CollectionsP.O. Box 17087Denver, CO 80217-0087

Colorado Department of Revenue To seek assistance with a Colorado Department of Revenue matter, first contact the CDOR Practitioner's Helpline (for practitioners ONLY) at 303-232-2419.

Colorado Department of Revenue, Lakewood. 6,035 likes · 16 talking about this · 303 were here. The official Facebook page for the Colorado Department of Revenue. Serving Coloradans since 1941.

Do not include private personally identifiable information (e.g. your Social Security Number). Email communication with the Department is unencrypted by default. ... Note: If agents are not available, please send an email or secure web message. 8:00 a.m. to 4:30 p.m. Mountain Time, Monday through Friday (except on state holidays) Colorado Department of Revenue Denver, CO 80261-0009

September 23, 2025 - Log into your CO Revenue Account online or call the DOR directly at (303) 205-8291 to request a payment plan with a DOR Agent directly. Call (303) 866-3711 for business.Quick Tip: Colorado Department of Revenue uses 2 third party collection agencies to assist in collecting back-tax debts.

Transcripts are available from ... of response will be mailed. If you have any questions or concerns, please ·contact the Discovery Section via phone, fax, or mail...

For information regarding state taxes and state sales tax licensing, contact the Colorado Department of Revenue, www.colorado.gov/revenue. For information regarding federal taxes and obtaining an employer identification number (EIN), contact the Internal Revenue Service, www.irs.gov.

Realtime driving directions to Tax Service Center - Colorado Department of Revenue, 2447 N Union Blvd, Colorado Springs, based on live traffic updates and road conditions – from Waze fellow drivers

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Click on the link to more information from the Colorado Department of Revenue. ... **Las formas en español son no disponible a través del sitio web del Departamento de Ingresos de Colorado. Utilice Google Translate para navegar por su sitio web y localizar información. La información de contacto del Departamento de Ingresos de Colorado también está disponible si necesita asistencia**

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