50 United States and the District of Columbia (excluding Puerto Rico, Guam, the U.S. Virgin Islands and other United States territories)
48 contiguous United States
50 United States and the District of Columbia
50 United States and D.C.
48 contiguous United States (including the District of Columbia) and Puerto Rico
50 United States and District of Columbia
United States (excluding residents of Puerto Rico) or Canada (excluding residents of Quebec)
50 United States (includes DC)
