California is easily accessible from nearly everywhere in the world because to San Diego International Airport's year-round direct air connectivity to major U.S. cities. It provides access to more than 60 nonstop markets in the US and internationally through airports spread out across the country. Every airport has a unique IATA code. Every airport has a three-letter code that uniquely identifies it. San Airport Code is referred to as SAN. For more visit : https://www.contactforsupport.com/airport/san-diego-international-airport-terminal-san/