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.
Only hotels in 20001 zip code are listed below. Search for cheap and discount hotel rates in Washington, DC for your upcoming leisure or conference / group travel. We list the best 20001 hotels and motels so you can review the Washington hotel list below to find the perfect lodging.