Explore ZIP codes in Humboldt, California. This city has 38 unique ZIP Codes. Find the ZIP code for any area in Humboldt.
Alderpoint
Arcata
Bayside
Blocksburg
Blue Lake
Bridgeville
Carlotta
Cutten
Eureka
Ferndale
Fields Landing
Fortuna
Garberville
Honeydew
Hoopa
Hydesville
Kneeland
Korbel
Loleta
Mckinleyville