Why is Cheyenne #2? The History of Wyoming License Plate Numbers + List of Counties and Numbers

In Wyoming, as it is in Nebraska, South Dakota, and other states, the first number on our license plates is the county that that car is registered in.

Phil Roberts, Professor of History Emeritus at the University of Wyoming, said that the Wyoming counties' numbers were based on land valuation at the time the system was developed in the 1930s.

For example, Laramie Country, the home of the city of Cheyenne, is number 2; and Albany Country, home of the city of Laramie is number 5. There are 23 counties in Wyoming, so each of our vehicles' plates most likely starts with one of those numbers.