Current normal series (2006 - ), 2011 - 2016 one letter, two numerals, the hyphen, two numerals and one letter; at the same time the website address www.tnvacation.com was added above the county name. Montgomery county (Clarksville)

Old normal series (1988 - 1993), Rhea county (Dayton)

Old normal series (1958 - 1965), 3 = Knox county (Knoxville), H could denote the vehicle type (if so then H = truck for hire), 1959 issue