Redding-Chino-Eureka
| Adin | Albion | Alderpoint |
| Alleghany | Alturas | Anderson |
| Arboga | Arbuckle | Arcata |
| Artois | Bangor | Bayside |
| Beale AFB | Beckwourth | Belden |
| Bella Vista | Berry Creek | Bieber |
| Big Bar | Big Bend | Biggs |
| Blairsden | Blairsden-Graeagle | Blocksburg |
| Blue Lake | Boonville | Branscomb |
| Bridgeville | Browns Valley | Brownsville |
| Burney | Burnt Ranch | Butte City |
| Butte Meadows | Butte Valley | Callahan |
| Calpella | Calpine | Camptonville |
| Canby | Canyon Dam | Carlotta |
| Caspar | Cassel | Castella |
| Cedarville | Central Valley | Challenge |
| Chester | Chico | Chilcoot |
| Clearlake | Clearlake Oaks | Clearlake Park |
| Clio | Clipper Mills | Cobb |
| Cohasset | College City | Colusa |
| Comptche | Corning | Cottonwood |
| Covelo | Crescent City | Crescent Mills |
| Cromberg | Cutten | Davis Creek |
| Dobbins | Dorris | Dos Rios |
| Douglas City | Downieville | Doyle |
| Dunsmuir | Durham | Eagleville |
| Edgewood | Elk | Elk Creek |
| Etna | Eureka | Fall River Mills |
| Feather Falls | Ferndale | Fields Landing |
| Finley | Flournoy | Forbestown |
| Forest Ranch | Forks of Salmon | Fort Bidwell |
| Fort Bragg | Fort Dick | Fort Jones |
| Fortuna | French Gulch | Garberville |
| Gasquet | Gazelle | Gerber |
| Glenhaven | Glenn | Goodyears Bar |
| Graeagle | Greenview | Greenville |
| Grenada | Gridley | Grimes |
| Gualala | Hamilton City | Happy Camp |
| Hat Creek | Hayfork | Helena |
| Herlong | Hidden Valley Lake | Honeydew |
| Hoopa | Hopland | Hornbrook |
| Horse Creek | Hyampom | Hydesville |
| Igo | Janesville | Junction City |
| Kelseyville | Klamath | Klamath River |
| Kneeland | Korbel | La Porte |
| Lake Almanor | Lake City | Lakehead |
| Lakeport | Laytonville | Leggett |
| Lewiston | Likely | Linda |
| Litchfield | Little River | Little Valley |
| Loch Lomond | Loleta | Loma Rica |
| Lookout | Los Molinos | Lower Lake |
| Loyalton | Lucerne | Macdoel |
| Mad River | Madeline | Magalia |
| Manchester | Manton | Marysville |
| Maxwell | McArthur | McCloud |
| McKinleyville | Meadow Valley | Mendocino |
| Middletown | Milford | Mill Creek |
| Millville | Mineral | Miranda |
| Montague | Montgomery Creek | Mount Shasta |
| Myers Flat | Navarro | Nelson |
| Newell | Nice | Nubieber |
| Oak Run | Obrien | Old Station |
| Olivehurst | Oregon House | Orick |
| Orland | Orleans | Oroville |
| Palermo | Palo Cedro | Paradise |
| Paskenta | Paynes Creek | Petrolia |
| Phillipsville | Philo | Piercy |
| Platina | Plumas Lake | Point Arena |
| Portola | Potter Valley | Princeton |
| Proberta | Project City | Pulga |
| Quincy | Rackerby | Ravendale |
| Red Bluff | Redcrest | Redding |
| Redway | Redwood Valley | Richvale |
| Rio Dell | Round Mountain | Ruth |
| Salyer | Samoa | Sattley |
| Sawyers Bar | Scotia | Scott Bar |
| Seiad Valley | Shasta | Shasta Lake |
| Shingletown | Sierra City | Sierraville |
| Smith River | Somes Bar | Spring Garden |
| Standish | Stirling City | Stonyford |
| Storrie | Strawberry Valley | Summit City |
| Susanville | Talmage | Taylorsville |
| Tehama | Termo | Tionesta |
| Trinidad | Trinity Center | Tulelake |
| Twain | Ukiah | Upper Lake |
| Vina | Vinton | Weaverville |
| Weed | Wendel | Weott |
| West Linda | Westport | Westwood |
| Wheatland | Whiskeytown | Whitethorn |
| Whitmore | Wildwood | Williams |
| Willits | Willow Creek | Willows |
| Witter Springs | Yankee Hill | Yorkville |
| Yreka | Zenia | |
