Mc Lean, VA

ZIP code 22109 is located in Fort Belvoir, Virginia. This area is home to the Fort Belvoir Military Base, one of the largest and most important military installations in the United States. The base houses various military commands and units, including the National Geospatial-Intelligence Agency and the Defense Logistics Agency. Additionally, Fort Belvoir features amenities such as shopping centers, restaurants, and recreational facilities for military personnel and their families.