8:00 am to 5:00 pm, Mountain Time, Monday through Friday, except legal holidays
Byron White U.S. Courthouse
1823 Stout Street
Denver, CO 80257-1823.
Clerk's Office Contacts
For inquiries regarding appeals originating from Colorado, New Mexico, Wyoming or federal agencies, please contact Team 1 at CA10_Team1@ca10.uscourts.gov or 303-335-2729.
For inquiries regarding appeals originating from Oklahoma, Kansas, Utah or the U.S. Tax Court, please contact Team 2 at CA10_Team2@ca10.uscourts.gov or 303-335-2728.
For inquiries regarding appeals that are set for oral argument, please contact the Calendar Team at 10th_Circuit_Calteam@ca10.uscourts.gov or 303-335-2708.
For attorney admissions inquiries, please call 303-844-3157.