Home 北加州邮递区号 金三角 Sunnyvale Golden Triangle By siteeditor. Published on 6 2 月, 2014. School Info: West Vally Elementary API 958 Cupertino Middle API 935 Homestead High API 874 The golden triangle area in Sunnyvale is around Fallen Leaf Ln./ W Fremont Ave./ Hollenbeck Ave./ Homestead Rd. Please check attached pic for details.