Omega Psi Phi Fraternity, Inc. Omega Gamma Gamma Chapter Share: Civic and Social Organizations Omega Psi Phi Fraternity, Inc. Omega Gamma Gamma Chapter Visit Website P.O. Box 6728 Warner Robins, GA 31095-6728 (478) 396-5984 (646) 365-2014 (fax) About Map About International non profit fraternal organization founded at Howard University. The fraternity has mandated programs for the betterement of the community and society as a whole.Updated 9/26/2012. What's Nearby? Distance: 5 10 15 20 25 50 mi.