Sonora Quest Laboratories - Glendale - 6320A W. Union Hills Dr. Share: Medical LaboratoriesBioscienceDrug Testing Facilities Sonora Quest Laboratories - Glendale - 6320A W. Union Hills Dr. Visit Website 6320A W. Union Hills Dr., Ste.160 Glendale, AZ 85308 (623) 376-7206 (623) 376-7913 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.