- Five Brooks
- Forest Knolls
- Foresta
- Fair Oaks
- Farley
- Fish Rock
- Flumeville
- Fergus
- Fluhr
- Fairport
- Fletcher Place
- Flournoy Ranch
- Fales Hot Springs
- Fort Hunter Liggett
- Fort Romie
- Franciscan Rocks
- Fairfield
- Farmington
- Fairview
- Ferndale
- Fort Jones
- Fortuna
- Fair Oaks
- Fairfax
- Fall River Mills
- Fallbrook
- Farmersville
- Floriston
- Forest Knolls
- French Corral