Parcel Return Service, DC

ZIP code 56998 is located in the heart of Washington, D.C. This area is home to the White House, the iconic residence of the President of the United States, as well as the Washington Monument, a historic obelisk that serves as a symbol of the nation's capital. Other notable landmarks in this ZIP code include the National Mall, a sprawling park that is home to many of the country's most famous memorials and monuments.