20598zip May 2026

Often associated with the Department of Homeland Security (DHS) and its sub-agencies like TSA .

When mailing a federal agency using this code, use the official address provided by the agency (e.g., TSA Headquarters). 20598zip

This is a non-geographic ZIP code used for high-volume government mail, meaning it doesn't cover a standard residential neighborhood. 📁 Related File Content Often associated with the Department of Homeland Security

If you're looking for a or a particular file with this name, let me know so I can help you find more details. 20598zip

While most 205xx ZIP codes are associated with Washington, D.C., 20598 is specifically assigned to federal agencies operating out of Virginia locations like and Arlington . Primary City: Alexandria, VA