Help
CORE System Availability
CORE System Availability
- M-F: 6:30 a.m. - 8:00 p.m.
- Sa-Su: 6:30 a.m. - 8:00 p.m. (with the exception of maintenance windows).
CORE Maintenance Schedule and Period Close Dates
CORE Maintenance Schedule and Period Close Dates
On monthly maintenance weekends, the system is down from 8:00 p.m. Friday night to 6:30 a.m. Monday morning.
Are you a Google Calendar user? Click here for instructions on how to add the CORE Calendar to your personal calendar.
CORE Support Center
CORE Support Center
Need assistance? Contact the CORE Support Center:
- M-F 8:00 a.m. - 5:00 p.m.
- 1-844-235-CORE (2673)
- core.help@state.co.us
- Who to Call for What
Other Contacts
Other Contacts
Training
- core.training@state.co.us
Colorado Vendor Self Service (VSS)
- 303-866-6464
- dpa_vsshelp@state.co.us