Barrios de Pennsylvania B
- Bala Cynwyd (47)
- Banksville (6)
- Bath Historic District (2)
- Bayfront (4)
- Beechview (12)
- Bella Vista-Southwark (117)
- Belmont (21)
- Bethany (1)
- Birch Valley (1)
- Bloomfield (18)
- Blue Ridge (1)
- Braddock Hills-Forest Hills (5)
- Brentwood-Baldwin (5)
- Brewerytown (62)
- Bridesburg (5)
- Brighton Heights (5)
- Brookline (8)
- Bryn Mawr (10)
- Buck/Peach Bottom/Quaryvle/Christiana (2)
- Bunker Hill (1)