Welcome is an unincorporated community in Charles County, Maryland. It has been designated the zip code of 20693. It is 7 miles from La Plata on Rt 6 West. The Goose Bay campground and marina are there. Prominent residents: Barnes Compton, 19th-century Congressman residing at "Hilltop" Ken Dixon, owner of large car dealership since 1961 Dr. Francis Chiaramonte, founder/ head of Southern Maryland Hospital Center