Below is a list of Glenn Dale MD zip codes. For your research we have also included Glenn Dale Area Code, Time Zone, UTC and the local Prince Georges County FIPS Code. Each Glenn Dale Maryland zip code has a center Longitude / Latitude point (the Glenn Dale center is -76.806602478027 / 38.980598449707). For your convenience we have also indicated if that zip code in Glenn Dale observes Daylight Savings time.