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.
Stats and Demographics for the 98271 ZIP Code. ZIP code 98271 is located in northwest Washington and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has a slightly less than average population density. The people living in ZIP code 98271 are primarily white.