Dulles Town Center
ZIP Code(s): 20166; County(s): Loudoun;
Loudoun
Ashburn
ZIP Code(s): 20147, 20166, 20103, 20146, 20149, 20189; County(s): Loudoun;
Lansdowne
ZIP Code(s): 20147, 20176; County(s): Loudoun;
Round Hill
ZIP Code(s): 20141, 20142; County(s): Loudoun;