INTERNAL REVENUE SERVICE
1-800-829-1040 General Assistance
1-800-829-4933 Assistance for Businesses
www.irs.gov

COLORADO SECRETARY OF STATE
1700 Broadway
Denver, CO 80290
303-894-2200
www.sos.state.co.us

COLORADO DEPARTMENT OF REVENUE
1375 Sherman Street
Denver, CO 80261
303-238-SERV (7378)
www.taxcolorado.com

COLORADO DEPARTMENT OF LABOR AND EMPLOYMENT
633 17th Street, Suite 201  
Denver, CO  80202-3660
303-318-8000 General Inquiries
303-318-9100 Unemployment Insurance Tax
www.coworkforce.com

SMALL BUSINESS ADMINISTRATION
Colorado District Office
721 19th Street, Suite 426 
Denver, CO 80202
303-844-2607
1-800-827-5722
www.sba.gov

COLORADO BUSINESS RESOURCE GUIDE
www.state.co.us/oed/guide/