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 Denver Field Office 

Location: 303 E. 17th Avenue
Suite 410
Denver, Colorado 80203 
Phone: 1-800-669-4000 
Fax: 303-866-1085 
TTY: 1-800-669-6820 
ASL Video Phone: 844-234-5122
Director: John C. Lowrie 
Regional Attorney:
Mary Jo O'Neill  
Office Hours:
The Denver Field Office is open from 8:00 a.m. - 4:30 p.m. Mountain Time, Monday - Friday. The office is closed on all federal holidays. Walk-ins are only seen on Wednesdays when no appointments are scheduled. Walk-ins are seen in addition to scheduled appointments every day. Although walk-ins are accepted, scheduling an interview is strongly recommended, and individuals with appointments will be given priority. We encourage you to schedule an interview through our online system. 
Additional Information / POC
 To submit an inquiry and schedule an appointment for an interview we encourage individuals to use the online system at  The system can also be accessed by going directly to our website at