- Badger
- Baker
- Bakersfield
- Balboa
- Balboa Island
- Baldwin Hills
- Baldwin Park
- Ballico
- Bangor
- Banning
- Banta
- Bard
- Barstow
- Bass Lake
- Bassett
- Bay Point
- Bayside
- Beale Afb
- Bear Mountain Resort
- Bear Valley
- Beaumont
- Belden
- Bell
- Bell Gardens
- Bella Vista
- Bellevue
- Bellflower
- Belmont
- Belmont Shore
- Belvedere
- Ben Lomond
- Benicia
- Benton
- Berkeley
- Bermuda Dunes
- Berry Creek
- Bethel Island
- Beverly Hills
- Bieber
- Big Bar
- Big Bear City
- Big Bear Lake
- Big Bend
- Big Creek
- Big Oak Flat
- Big Pine
- Big Sur
- Biggs
- Biola
- Bishop
- Blairsden
- Blairsden-graeagle
- Blocksburg
- Bloomington
- Blue Jay
- Blue Lake
- Blythe
- Bodega
- Bodega Bay
- Bodfish
- Bolinas
- Bonita
- Bonsall
- Boonville
- Boron
- Borrego Springs
- Boulder Creek
- Boulevard
- Boyes Hot Springs
- Boyle Heights
- Bradley
- Branscomb
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- Brea
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- Bridgeville
- Brisbane
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- Brooks
- Browns Valley
- Brownsville
- Bryn Mawr
- Buellton
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- Burbank
- Burlingame
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- Burnt Ranch
- Burson
- Butte City
- Buttonwillow
- Byron