List of all settlements:
- Annandale, Fairfax
- Bailey's Crossroads, Fairfax
- Belle Haven, Fairfax
- Burke, Fairfax
- Burke Centre, Fairfax
- Centreville, Fairfax
- Chantilly, Fairfax
- Clifton, Fairfax
- Crosspointe, Fairfax
- Dranesville, Fairfax
- Dunn Loring, Fairfax
- Fair Lakes, Fairfax
- Fair Oaks, Fairfax
- Fairfax, Fairfax
- Fairfax Station, Fairfax
- Floris, Fairfax
- Fort Hunt, Fairfax
- Franconia, Fairfax
- Franklin Farm, Fairfax
- George Mason, Fairfax
- Great Falls, Fairfax
- Greenbriar, Fairfax
- Groveton, Fairfax
- Hayfield, Fairfax
- Herndon, Fairfax
- Huntington, Fairfax
- Hybla Valley, Fairfax
- Idylwood, Fairfax
- Kings Park, Fairfax
- Kings Park West, Fairfax
- Kingstowne, Fairfax
- Lake Barcroft, Fairfax
- Laurel Hill, Fairfax
- Lincolnia, Fairfax
- Long Branch, Fairfax
- Lorton, Fairfax
- Mantua, Fairfax
- Mason Neck, Fairfax
- McLean, Fairfax
- McNair, Fairfax
- Merrifield, Fairfax
- Mount Vernon, Fairfax
- Newington, Fairfax
- Newington Forest, Fairfax
- North Springfield, Fairfax
- Oakton, Fairfax
- Pimmit Hills, Fairfax
- Ravensworth, Fairfax
- Reston, Fairfax
- Rose Hill, Fairfax
- Seven Corners, Fairfax
- South Run, Fairfax
- Springfield, Fairfax
- Tysons Corner, Fairfax
- Vienna, Fairfax
- Wakefield, Fairfax
- West Falls Church, Fairfax
- West Springfield, Fairfax
- Wolf Trap, Fairfax
- Woodburn, Fairfax
- Woodlawn, Fairfax