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 414 and exchange code 877 is assigned to Milwaukee. The latitude and longitude corresponding to 43.0375 and -87.90854 can be used to find an area on the map. Peerless Network Of Wisconsinoperates most of the land lines in United States.