- Badger Pass
- Baker
- Bakersfield
- Baldwin Park
- Ballard
- Ballico
- Bangor
- Banning
- Barstow
- Barstow Heights
- Bass Lake
- Bay Point
- Bayside
- Bayview
- Bayview
- Beale Air Force Base
- Bear Creek
- Bear Mountain
- Bear Valley
- Bear Valley
- Bear Valley
- Bear Valley Springs
- Beaumont
- Beckwourth
- Belden
- Bell
- Bell Gardens
- Bella Vista
- Bellflower
- Belmont
- Belvedere
- Belvedere Tiburon
- Belvedere Tiburon
- Ben Lomond
- Benbow
- Bend
- Benicia
- Benton
- Berkeley
- Bermuda Dunes
- Berry Creek
- Bertsch-Oceanview
- Bethel Island
- Beverly Hills
- Bieber
- Big Bear
- Big Bear Lake
- Big Bend
- Big Creek
- Big Lagoon
- Big Pine
- Big River
- Big Sur
- Biggs
- Biola
- Bishop
- Black Point-Green Point
- Blackhawk
- Blacklake
- Blairsden
- Bloomfield
- Bloomington
- Blue Lake
- Bluewater
- Blythe
- Bodega
- Bodega Bay
- Bodfish
- Bolinas
- Bombay Beach
- Bonadelle Ranchos-Madera Ranchos
- Bonita
- Bonny Doon
- Bonsall
- Boonville
- Bootjack
- Boreal
- Boron
- Boronda
- Borrego Springs
- Bostonia
- Boulder Creek
- Boulevard
- Bowles
- Boyes Hot Springs
- Boyle Heights
- Bradbury
- Bradley
- Brawley
- Brea
- Brentwood
- Bret Harte
- Bridgeport
- Brisbane
- Broadmoor
- Brookdale
- Brooktrails
- Buck Meadows
- Buckhorn
- Bucks Lake
- Buellton
- Buena Park
- Buena Vista
- Buena Vista
- Burbank
- Burbank
- Burlingame
- Burney
- Burnt Ranch
- Butte Meadows
- Buttonwillow
- Byron
- Bystrom
