Kentucky is a U.S state situated in the Southeastern region of the United States. Frankfort is the capital and Louisville is the largest city of Kentucky. This state is best known as Bluegrass State for its Kentucky bluegrass. Kentucky Zip Code started with the digit 4000. The total number of Kentucky Zip Code approximately 944. The total population of Kentucky about 4,467,673. So you can find any information about Kentucky especially zip codes, area codes, Populations, cities, county and so on.