Area code and exchange code is assigned to every constituent of city in the United States. The area and exchange codes of the telephone can be used to find information about a region. Area code 424 and exchange code 322 is assigned to El Segundo. The latitude and longitude corresponding to 33.91444 and -118.38364 can be used to find an area on the map. Pacific Bell - Caoperates most of the land lines in United States.