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 278 is assigned to BEVERLY HILLS. The latitude and longitude corresponding to 34.07268281 and -118.39154548 can be used to find an area on the map. New Cingular Wireless PCS LLCoperates most of the land lines in United States.