Dresser, CaliforniaDresser is an unincorporated community in Alameda County, California. Its ZIP code is 94536 and its area codes are 510 and 341.Geography and backgroundIt is located on the Southern Pacific Railroad north-northeast of downtown Fremont, at an elevation of. The city's name was Merienda until 1915, and then was Alston until 1957. It was established as a station on the Southern Pacific Railroad in 1923 to serve the California Pressed Brick Company in Niles Canyon.Current statusReportedly, the location has been used for partying since it was closed in the 1990s. The adjacent "Secret Sidewalk" is also used for such purposes.