Below is a list of Rose Haven MD zip codes. For your research we have also included Rose Haven Area Code, Time Zone, UTC and the local Calvert County FIPS Code. Each Rose Haven Maryland zip code has a center Longitude / Latitude point (the Rose Haven center is -76.537200927734 / 38.711700439453). For your convenience we have also indicated if that zip code in Rose Haven observes Daylight Savings time.