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 681 and exchange code 342 is assigned to Bridgeport. The latitude and longitude corresponding to 39.28611 and -80.24777 can be used to find an area on the map. Frontier West Virginia Inc Wvoperates most of the land lines in United States.