Colorado IRS Phone Number

What is Colorado IRS phone number?

Colorado IRS Phone Number where you can speak to a real agent is 303-238-7378. This is the main phone number, and you should check the full Colorado IRS phone numbers complete directory below:

Colorado IRS Main Number: 303-238-7378
TTY Telephone Users: 1-800-659-2656
Voice Telephone Users: 1-800-659-3656
Hours: Monday through Friday, 8:00 am to 4:30 pm MT

Collections Phone Number: 303-205-8291
Collections Hours: Monday-Thursday from 8:00 am to 4:30 pm, Friday 8:30 am to 4:30 pm
EFT/Electronic Payment: 303-205-8333
Sales & Use Tax System (SUTS) Support: 720-795-7759

Bankruptcy Phone Number: 303-866-3711
Compliance: 303-866-3711
Discovery Phone Number: 303-205-8292
Excise Tax Unit (Cigarette, Liquor, Nicotine, Marijuana, and Tobacco Products): 303-205-8287
Field Audit: 303-692-7981
Fraud and Tax Evasion: 303-205-8262
Fuel Tax Unit (Fuel & IFTA): 303-205-8205
Special Event Sales Tax Phone Number: 303-866-5643

CDOR Email Addresses:
General Tax Email Address: [email protected]
Bankruptcy Email Address: [email protected]
Collections Email Address: [email protected]
Compliance Email Address: [email protected]
Criminal Tax Investigations Email Address: [email protected]
Discovery Email Address: [email protected]
Excise Tax Unit Email Address: [email protected]
Fuel Tax Unit Email Address: [email protected]
Special Event Sales Tax Email Address: [email protected]

CDOR Offices:
CDOR Denver Metro
Address: 1881 Pierce Street, Entrance B, Lakewood, CO 80214

CDOR Colorado Springs
Address: 2447 North Union Blvd., Colorado Springs, CO 80909

CDOR Fort Collins
Address: 3030 South College Ave., Fort Collins, CO 80525

CDOR Grand Junction
Address: 222 South 6th St, Suite 208, Grand Junction, CO 81501

CDOR Pueblo
Address: 827 West 4th St, Suite A, Pueblo, CO 81003

Colorado IRS Fax Number – What is Colorado IRS fax number?

Colorado IRS fax number where you can send fax messages, documents and forms is 303-866-4176.

Colorado IRS Website

You can visit Colorado IRS website to find additional information by clicking here.

Colorado IRS Address – What is Colorado IRS address?

Colorado IRS address for either sending official mail, documents and forms is:

Colorado IRS
Street: 1375 Sherman St.
City: Denver
State: Colorado
ZIP: 80261

What services and information are provided by Colorado IRS?

Colorado IRS is Colorado state taxation & revenue agency that provides services including:

* Publication of State Revenue Statistics, Reports, Tax & Industry Guides
* Enforces Revenue/Taxation laws and regulations
* Administers tax laws
* Performs DMV tags and titles administration
* Taxpayers’ Rights Advocate
* Taxpayer Bill of Rights
* Information and Records Requests
* Tax Protests and Appeals
* Property Tax Appeals
* Tax Refunds & Debts
* Tax Programs & Permits
* Special Taxes & Fees
* Filing & Paying Taxes, Fees, Remittances
* Proposed Rules
* Regulatory Plans

Colorado IRS Activities & Procedures
Watch this video to learn about Colorado IRS procedures & activities in the state of Colorado: provides updated information for Colorado IRS Phone Number Colorado IRS and IRS in all states. This website is completely independent and not affiliated with any of the federal or state’s government departments, offices, agencies, boards, or commission.

IRS (Internal Revenue Service) List
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