Washington, DC

ZIP code 20330 covers the iconic area of The Pentagon in Arlington, Virginia. This massive five-sided building serves as the headquarters of the United States Department of Defense. Located along the Potomac River, The Pentagon is a significant landmark in the area, housing various military offices, meeting spaces, and command centers. Additionally, the ZIP code encompasses the 9/11 Pentagon Memorial, a poignant tribute to the lives lost in the September 11 attacks.