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 561 and exchange code 843 is assigned to Delray Beach. The latitude and longitude corresponding to 26.45 and -80.06 can be used to find an area on the map. Omnipoint Miami E License, Llcoperates most of the land lines in United States.