Siskiyou
- Ager
- Andesite
- Azalea
- Bartle
- Bestville
- Beswick
- Big Springs
- Black Butte
- Bolam
- Bray
- Callahan
- Canby Cross
- Carrick
- Cecilville
- Cheeseville
- Copco
- Cottage Grove
- Cougar
- Curtis
- Deetz
- Dorris
- Dunsmuir
- Edgewood
- Erickson
- Etna
- Fort Goff
- Fort Jones
- Gazelle
- Gottsville
- Grass Lake
- Greenview
- Grenada
- Hambone
- Hamburg
- Happy Camp
- Hawkinsville
- Henley
- Hilt
- Hooper
- Hornbrook
- Horse Creek
- Hotlum
- Howard
- Igerna
- Jerome
- Kegg
- Kinyon
- Klamath River
- Lakin
- Leaf
- Little Shasta
- Macdoel
- McCloud
- Montague
- Mott
- Mount Hebron
- Mount Shasta
- Mugginsville
- Oro Fino
- Penoyar
- Pondosa
- Sawyers Bar
- Scott Bar
- Seiad Valley
- Shasta Retreat
- Shasta Springs
- Signal Butte
- Slagger
- Snowden
- Somes Bar
- Summerville
- Swobe
- Tennant
- Tulelake
- Upton
- Weed
- Wyntoon
- Yreka