- Golden State Island
- Ganns
- Golden Torch Trailer Park
- Goodmans Corner
- Grizzly Ridge
- Genevra
- Graino
- Grand Island
- Garberville
- Garden Valley
- Garey
- Garlock
- Gasquet
- Gaviota
- Genesee
- George AFB
- Gerber
- Geyserville
- Glamis
- Glencoe
- Glenhaven
- Glenn
- Glennville
- Glenview
- Glenview, San Diego
- Goffs
- Goodyears Bar
- Gorman
- Granada Hills
- Grapevine