(DIR) CIA World Factbook (TXT) Jargon 4.2.0 (DIR) Online Libraries (DIR) RFCs: Internet Standards (DIR) U.S. Gazetteer This file contains information on United States cities, counties, and geographical areas. It has latitude/longitude, population, land and water area, and ZIP codes. To search for a city, enter the city's name. To search for a county, use the name plus County -- for instance, Dallas County.