There are two parts to a blood type. One is the letter, A,B,AB, or O. This is the major part of the blood type. The other or minor part is the Rh type, which the A,B,AB, or O part is either positive or negative. Let me explain.
This guide shows the zip codes for each neighborhood in Washington DC arranged in alphabetical order. Get to Know the Neighborhoods of the DC Capital Region. Adams Morgan â zip code 20009. American University Park â zip code 20016.
Washington's postal abbreviation is WA and its FIPS state code is 53. 1  Chehalis County, originally named for the Chehalis people, was renamed Grays Harbor County in 1915. 2  Sawamish County, originally named for the Sahewamish Native American tribe, was renamed Mason County in 1864.