Green Valley is a master-planned community located in Henderson, Nevada, and Southern Nevada's first master-planned community built before Summerlin. The Green Valley Master Community development was founded in 1978 by American Nevada Corporation in an area of 8,400 acres (34 km2) in the southeast part of the Las Vegas Valley. Smaller neighborhoods called Green Valley Ranch and Green Valley South are within the boundaries of the master community. Green Valley South began construction around 1985, while Green Valley Ranch began construction in 1994. Shopping, bars, and restaurants are located at The District at Green Valley Ranch. Green Valley (North, South, and Ranch) postal codes include: all of 89074, 89014, and 89012. Green Valley Ranch extends into the eastern areas of the zip code of 89052.