Every year volunteers from the AARP assist people (by appointment, no charge) in preparing and filing their taxes.
Every year, the IRS sends a selection of forms (and some instructions) for distribution.
Forms and Instructions can be downloaded year round from the IRS.
Colorado IRS website1999 BroadwayDenver, CO 80202Monday-Friday 8:30am - 4:30pm303-446-1675
Colorado Dept. of Revenue Taxation Division WebsiteDenver Service Center1375 Sherman St., Denver, CO 80261Monday-Friday 8am - 5pm303-238-SERV (7378)