- Babylon (Babylon, New York)
- Babylon (Suffolk, New York)
- Baiting Hollow
- Bakersfield
- Bal Harbour
- Baldwin
- Baldwin Hills
- Baldwin Park (Los Angeles, California)
- Baldwin Park (Orlando, Florida)
- Bangor
- Bannockburn
- Barkhamsted
- Barnesville
- Batavia
- Bath (Bethlehem, Pennsylvania)
- Bath Beach
- Bath County
- Baton Rouge
- Battery Park City
- Bay Harbor Islands
- Bay Ridge
- Bay Shore
- Baychester
- Bayport
- Bayside (Queens, New York)
- Bayside (Virginia Beach, Virginia)
- Bayville
- Beach Park
- Beacon Falls
- Beaver Meadows
- Bechtelsville
- Bedford (Bronx, New York)
- Bedford County (Pennsylvania)
- Bedford County (Virginia)
- Bedford Park (Bronx, New York)
- Bedford Stuyvesant
- Beecher
- Beersville
- Belair-Edison
- Belfast
- Bell
- Bell Gardens
- Bellaire
- Belle Harbor
- Belle Isle
- Bellerose
- Bellmore
- Belmont
- Belmont Cragin
- Belvedere Square
- Belvidere
- Bensenville
- Bensonhurst
- Berkeley (Alameda, California)
- Berks County
- Berlin
- Berlinsville
- Berwyn
- Bethany
- Bethany Beach
- Bethpage
- Beverly
- Beverly Center
- Beverly Hills
- Big Creek
- Big Pine Key
- Birmingham
- Biscayne Park
- Bithlo
- Blakeslee
- Blissville
- Bloomfield (Hartford, Connecticut)
- Bloomingdale
- Blue Island
- Blue Point
- Boca Raton
- Boerum Hill
- Bohemia
- Bolingbrook
- Bolton Hill
- Borough Park
- Boston
- Botetourt County
- Bowmanstown
- Boyertown
- Boyle Heights
- Boynton Beach
- Bozrah
- Bradley
- Branford
- Breezy Point
- Breinigsville
- Brentwood (Islip, New York)
- Brentwood (Los Angeles, California)
- Brevard County
- Brewers Hill
- Briarwood
- Bridgeport (Chicago, Illinois)
- Bridgeport (Fairfield, Connecticut)
- Bridgeview
- Brighton Beach
- Brighton Park
- Briny Breezes
- Bristol (Bristol, Virginia)
- Bristol (Hartford, Connecticut)
- Broad Channel
- Broadway Junction
- Brodheadsville
- Bronzeville
- Brookfield (Cook, Illinois)
- Brookfield (Fairfield, Connecticut)
- Brookhaven (Brookhaven, New York)
- Brookhaven (Suffolk, New York)
- Brooklyn Heights
- Brooklyn Park
- Brookville
- Broward County
- Brownsville
- Brunswick County
- Buchanan County
- Buckroe
- Bucks County
- Bucktown
- Buena Park
- Buena Vista (Buena Vista, Virginia)
- Buffalo Grove
- Burbank (Cook, Illinois)
- Burbank (Los Angeles, California)
- Burlington (Hartford, Connecticut)
- Burr Ridge
- Burtonsville
- Bushkill Center
- Bushwick
- Butchers Hill
- Butztown