WAC

WAC stands for “World Area Code”. It is a 3-digit code defined by the US Department of Transportation. For example, 450 = Italy. WAC codes are grouped by region, as indicated by the first digit, as follows: 0=USA, 1=Central America & Mexico, 2=Caribbean, 3=South America, 4=Europe, 5=Africa, 6=Middle East, 7=Asia, 8=Oceania, and 9=Canada & Greenland.