Eureka
ZIP Code(s): 95503, 95501, 95521, 95502, 95534; County(s): Humboldt;
Humboldt
Willow Creek
ZIP Code(s): 95573; County(s): Humboldt;
Manila
ZIP Code(s): 95521; County(s): Humboldt;
McKinleyville
ZIP Code(s): 95519; County(s): Humboldt;
Hoopa
ZIP Code(s): 95546; County(s): Humboldt;
Arcata
ZIP Code(s): 95521, 95518; County(s): Humboldt;
Humboldt Hill
ZIP Code(s): 95503; County(s): Humboldt;