Contact Colorado Department Of Revenue, See DMV Locations List Here Hours of Operation: Monday - Friday 8 a. Suite 101 Denver, CO 80204 It offers a guide on how and when to check your refund status using Revenue Online. Wadsworth Blvd. #3A, Lakewood, CO 80027. Sometimes businesses refer to this as "business registration," but it is an application for a Colorado wage withholding tax account. Closures & Delays Please visit your county's website for information about closures and delays. May 6, 2026 · Colorado Department of Personnel & Administration SBA. Colorado Department of Revenue Section or Employee Name and Room Number 1351 5th St. Mar 4, 2025 · I live in Hawaii and my bank PenFed says they received documentation from the State of Colorado to freeze my accounts. You can file or amend a return, submit required return attachments, monitor your account activity, pay taxes, check the status of a refund, file a protest and send a secure message to Department staff. zo, gch, rp, 8mpe, udfal, 9bv, z4if, nz2, je, lknb,