Below is a list of Glendora CA zip codes. For your research we have also included Glendora Area Code, Time Zone, UTC and the local Los Angeles County FIPS Code. Each Glendora California zip code has a center Longitude / Latitude point (the Glendora center is -117.84600067139 / 34.146999359131). For your convenience we have also indicated if that zip code in Glendora observes Daylight Savings time.