Headquarters Contact Information

E-mail: registrar@columbiainstitute.org
Phone: (800) 766-1936

Mail: 3001 Hackberry Rd
Irving, TX 75063


On-line Student Technical Support
Assistance regarding hardware, software or internet issues should be addressed to:
On-course Learning: Tech Support at (800) 743-8703.
Fastclass: Tech Support at (866) 455-3278.
Columbia Office Hours:
Monday - Friday
8:00 a.m. to 4:00 p.m. Central Time
School Holidays:
New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Independence Day
Labor Day
Thanksgiving and the day after
Christmas Eve & Christmas Day
New Year's Eve


You may also contact us using this form:

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