Arizona | New Mexico Sector is a regional governing body of Lambda Theta Phi Latin Fraternity Inc., established to oversee all undergraduate entities in Arizona and New Mexico. AZNM member chapters include Alpha Sigma Chapter (Arizona State University), Alpha Upsilon Chapter (University of New Mexico), and Gamma Beta Chapter (The University of Arizona). Both Arizona and New Mexico alumni are served by alumni chapters that are separate from the sector structure: Lambda Delta (New Mexico) and Lambda Zeta (Arizona).
