Nevada is located in the western part of the United States, close to California. The state has a land area of 280,000 square kilometers and a population of 2.7 million. The capital city is Carson City. The main airports are: Las Vegas Airport, Ruiou International Airport. Among them, the Las Vegas airport is the transshipment center of US Airways and Southwest Airlines, and other highways here make the transportation in Nevada very convenient. The zip codes for major cities in Nevada are as follows, the abbreviated zip codes are NV, and the area codes are 702 - 775. ZIP codes for other cities: Carson City 89701-89721; Las Vegas 89101-89199; Reno 89501-89599.