Contact For more information about us, or to reach out to our chapter, see our contact information below:Mailing Address:Oklahoma Sooner City Alumnae ChapterP.O. Box 16463Oklahoma City, OK 73113Email Address:info@dst-oscalumnae.org Additional Contact Information Visit Delta Sigma Theta’s national website at www.deltasigmatheta.org. Visit the Central Region’s website at www.dstcentralregion.org. Facebook-f Instagram Twitter Please, Follow Us!