Barrios de Massachusetts B
- Back Bay (1244)
- Back Central (4)
- Bank Square (76)
- Bay Village (101)
- Beachmont (21)
- Beacon Hill (857)
- Belingham Square (37)
- Bell Hill (9)
- Bellrock (15)
- Belmont Center (7)
- Belmont Hill (7)
- Belvidere (5)
- Bentley College (20)
- Bleachery (30)
- Boston Common (136)
- Bowdoin North-Mount Bowdoin (32)
- Boyd Park (16)
- Bradford (10)
- Brattle (47)
- Brittan Square (5)
- Broadmeadow Brook (13)
- Broadway (41)
- Brookline Village (521)
- Bunker Hill (1)
- Burlington Town Center (23)
- Burncoat (4)