Humboldt County Areas
- Alderpoint
- Arcata
- Arcata Bottoms
- Bayside
- Benbow
- Blue Lake
- Bridgeville
- Carlotta
- Carlotta Heights
- Cutten
- Elks Prairie
- Eureka
- Eureka Heights
- Ferndale
- Ferndale Heights
- Fieldbrook
- Fortuna
- Freshwater
- Garberville
- Hidden Valley
- Hoopa
- Horse Mountain
- Humboldt Hill
- Humboldt State University Area
- Hydesville
- Jacoby Creek
- Kneeland
- Kneeland Summit
- Larson Heights
- Loleta
- Mad River
- Mattole Valley
- McKinleyville
- Miranda
- Myrtletown
- Orick
- Petrolia
- Redcrest
- Redway
- Rio Dell
- Rio Dell Heights
- Salmon Creek
- Samoa
- Scotia
- Tish Non Creek
- Trinidad
- Weott
- Willow Creek Bottoms