Barrios de Maryland W
- Wakefield (2)
- Walbrook (3)
- Walker Mill (7)
- Walnut Ridge (1)
- Waltherson (2)
- Washington Hill (10)
- Washington Village (35)
- Waterford (1)
- Waverley View (1)
- West Arlington (6)
- West Bethesda (8)
- West Chevy Chase Heights (4)
- West Forest Park (5)
- West Hagerstown (4)
- West Hills (1)
- West Laurel (1)
- West Mulbery (1)
- West Pratt (3)
- West Rockville (8)
- Western District (3)
- Westfield (1)
- Westgate (3)
- Westport (9)
- Westwood (2)
- Wheaton-Glenmont (27)
- White Marsh Station (1)
- White Oak (10)
- Whittier (2)
- Wilde Lake (9)
- Wildwood Manor (4)
- Willow Brook (1)
- Wilson Heights (2)
- Winchester (3)
- Windsor Hills (1)
- Winston-Govans (1)
- Woodberry (3)
- Woodbourne Heights (3)
- Woodbourne-McCabe (3)
- Woodbrook (21)
- Woodhaven (25)
- Woodlawn (2)
- Woodmere (2)
- Woodmont Triangle (60)
- Woodmoor (1)
- Woodmore (7)
- Woodring (2)
- Wyman Park (6)