- Beecher Island
- Belden
- Belleview
- Bellevue Acres
- Bellvue
- Bennett
- Benton
- Bergen Park
- Berkeley Gardens
- Berkley
- Berthoud
- Berthoud Falls
- Berts Corner
- Beshoar
- Beta
- Beta
- Bethune
- Beulah
- Beulah Valley
- Beverly Hills
- Big Bend
- Big Elk Meadows
- Bighorn
- Biglow
- Bijou
- Birdseye
- Black Eagle Mill
- Black Forest
- Black Hawk
- Blakeland