Triangle Fraternity National Headquarters
120 South Center Street
Plainfield, IN 46168-1214
(317) 837-9640
(317) 837-9642 (fax)

• Who's who at the National Headquarters
• National forms available online

If you have any questions about Triangle Fraternity

• Contact the National Headquarters or the nearest chapter.

If you are interested in making a contribution to the Fraternity or Foundation

• Use the Online Donation form or contact the This e-mail address is being protected from spam bots, you need JavaScript enabled to view it at (317) 837-9641

• Use the membership update form or contact the National Headquarters.

If you would like to refer an individual for membership in Triangle

• Use the membership recommendation form or contact the local chapter.

If you are a Triangle member needing mailing labels

• Use the mailing label order form or contact the National Headquarters.

• Contact This e-mail address is being protected from spam bots, you need JavaScript enabled to view it at the Headquarters