Cannon, KY

ZIP code 40923 covers the town of Barbourville, Kentucky. This area is known for its historic landmarks, including Union College, which was founded in 1879 and is one of the oldest colleges in the state. The Knox County Courthouse, a stunning example of 19th-century architecture, is another prominent feature in the area. Barbourville also boasts several recreational opportunities, such as the nearby Daniel Boone National Forest.