The short two letter district of columbia abbrevation is DC. District of columbia is not among the 50 us states but is very important as being a capital of united states aslo a federal district located on the potomac river and covers 270 zip codes which include 3 cities and 1 county. The complete details are given below
| Name | District of Columbia |
| Country | United States |
| Abbreviation | DC |
| Nickname | Federal district |