- Doyle
- Drytown
- Duarte
- Dublin
- Ducor
- Dulzura
- Duncans Mills
- Dunlap
- Dunnigan
- Dunsmuir
- Durham
- Dutch Flat
- Eagleville
- Earlimart
- Earp
- East Irvine
- Echo Lake
- Edison
- Edwards
- El Cajon
- El Centro
- El Cerrito
- El Dorado
- El Dorado Hills
- El Granada
- El Monte
- El Nido
- El Portal
- El Segundo
- El Sobrante
- El Toro
- El Verano
- Eldridge
- Elk
- Elk Creek
- Elk Grove
- Elmira
- Elverta
- Emeryville
- Emigrant Gap
- Empire
- Encinitas
- Encino
- Escalon
- Escondido
- Esparto
- Essex
- Etna
- Eureka
- Exeter
- Fair Oaks
- Fairfax
- Fairfield
- Fall River Mills
- Fallbrook
- Farmersville
- Farmington
- Fawnskin
- Feather Falls
- Fellows
- Felton
- Ferndale
- Fiddletown
- Fields Landing
- Fillmore
- Finley
- Firebaugh
- Fish Camp
- Five Points
- Floriston
- Flournoy
- Folsom
- Fontana
- Foothill Ranch
- Forbestown
- Forest Falls
- Forest Knolls
- Forest Ranch
- Foresthill
- Forestville
- Fort Bidwell
- Fort Bragg
- Fort Dick
- Fort Irwin
- Fort Jones
- Fortuna
- Fountain Valley
- Fowler
- Frazier Park
- Freedom
- Fremont
- French Camp
- French Gulch
- Fresno
- Friant
- Fullerton
- Fulton
- Galt
- Garberville
- Garden Grove
- Garden Valley
- Gardena
- Gasquet
- Gazelle
- Georgetown
- Gerber
- Geyserville
- Gilroy
- Glen Ellen
- Glencoe
- Glendale
- Glendora
- Glenhaven
- Glenn
- Glennville
- Gold Run
- Goleta
- Gonzales
- Goodyears Bar
- Goshen
- Granada Hills
- Grand Terrace
- Granite Bay
- Grass Valley
- Graton
- Green Valley Lake
- Greenbrae
- Greenfield
- Greenview
- Greenville
- Greenwood
- Grenada
- Gridley
- Grimes
- Grizzly Flats
- Groveland
- Grover Beach
- Guadalupe
- Gualala
- Guasti
- Guatay
- Guerneville
- Guinda
- Gustine
- Hacienda Heights
- Half Moon Bay
- Hamilton City
- Hanford
- Happy Camp
- Harbor City