Zip Code 42240 is located in the state of Kentucky in the Nashville metro area. Zip code 42240 is primarily located in Christian County. The official US Postal Service name for 42240 is HOPKINSVILLE, Kentucky. Portions of zip code 42240 are contained within or border the city limits of Hopkinsville, KY, Pembroke, KY, . The area code for zip code 42240 is 270.