States that require that you are at least 21
Alaska, Nevada (Las Vegas only no state laws),& Utah
State that requires that you are at least 20
Kentucky
States that require that you are at least 19
Alabama, Arizona, Delaware, Idaho, Nebraska, New Mexico, North Dakota
State that requires that you are at least 17
Maine
*All other states not mentioned require that you must be at least 18 years of age to serve