Washington, DC

ZIP code 20407 is located in Washington, DC. This area is home to the US National Arboretum, a 446-acre botanical garden showcasing a vast collection of plants. Another important landmark in this ZIP code is the National Capitol Columns, a stunning display of 22 Corinthian columns that once adorned the US Capitol. Residents and visitors can enjoy the natural beauty and historical significance of these iconic landmarks in ZIP code 20407.