Below is a list of Glyndon MD zip codes. For your research we have also included Glyndon Area Code, Time Zone, UTC and the local Baltimore County FIPS Code. Each Glyndon Maryland zip code has a center Longitude / Latitude point (the Glyndon center is -76.816596984863 / 39.476398468018). For your convenience we have also indicated if that zip code in Glyndon observes Daylight Savings time.