- Back Mountain
- Baden
- Baidland
- Baileyville
- Bainbridge
- Bairdford
- Bakerstown
- Bala-Cynwyd
- Baldwin
- Bally
- Bangor
- Barkeyville
- Barnesboro
- Barrville
- Bath
- Baumstown
- Beallsville
- Bear Creek Mountain Resort
- Bear Creek Village
- Bear Lake
- Bear Rocks
- Beaver
- Beaver Falls
- Beaver Meadows
- Beaver Springs
- Beaverdale
- Beavertown
- Bechtelsville
- Bedford
- Bedminster
- Beech Creek
- Beech Mountain Lakes
- Belfast
- Bell Acres
- Belle Vernon
- Bellefonte
- Belleville
- Bellevue
- Bellwood
- Belmont
- Ben Avon
- Ben Avon Heights
- Bendersville
- Bensalem
- Benson
- Bentleyville
- Benton
- Berlin
- Bernville
- Berrysburg
- Berwick
- Berwyn
- Bessemer
- Bethany
- Bethel
- Bethel Park
- Beurys Lake
- Big Bass Lake
- Big Bear
- Big Beaver
- Big Boulder
- Big Run
- Bigler
- Biglerville
- Birchwood Lakes
- Bird in Hand
- Birdsboro
- Birmingham
- Black Lick
- Blain
- Blairsville
- Blakely
- Blanchard
- Blandburg
- Blandon
- Blawnox
- Bloomfield
- Blooming Valley
- Blossburg
- Blue Ball
- Blue Bell
- Blue Knob
- Blue Mountain Ski Area
- Blue Ridge Summit
- Boalsburg
- Bobtown
- Boiling Springs
- Bolivar
- Bonneauville
- Boothwyn
- Boston
- Boswell
- Bowers
- Bowmanstown
- Bowmansville
- Brackenridge
- Braddock
- Braddock Hills
- Bradenville
- Bradford
- Bradford Woods
- Branch Dale
- Brandonville
- Brave
- Breinigsville
- Brentwood
- Bressler
- Briar Creek
- Brickerville
- Bridgeport
- Bridgeville
- Bridgewater
- Brisbin
- Bristol
- Brittany Farms-Highlands
- Broad Top City
- Brockway
- Brodheadsville
- Brookhaven
- Brookville
- Broomall
- Brownstown
- Brownstown
- Brownsville
- Browntown
- Bruin
- Bryn Athyn
- Bryn Mawr
- Bryn Mawr
- Buck Run
- Buckhorn
- Buffington
- Bulger
- Burgettstown
- Burlington
- Burnham
- Burnside
- Butler
- Byrnedale
