Siskiyou

Tulelake

ZIP Code(s): 96134; County(s): Siskiyou;

Dorris

ZIP Code(s): 96058, 96023; County(s): Siskiyou;

Happy Camp

ZIP Code(s): 96039, 96049; County(s): Siskiyou;

Etna

ZIP Code(s): 96027; County(s): Siskiyou;

Yreka

ZIP Code(s): 96097; County(s): Siskiyou;

Dunsmuir

ZIP Code(s): 96067, 96025; County(s): Siskiyou;

McCloud

ZIP Code(s): 96057; County(s): Siskiyou;

Montague

ZIP Code(s): 96064; County(s): Siskiyou;

Weed

ZIP Code(s): 96094; County(s): Siskiyou;

Fort Jones

ZIP Code(s): 96032; County(s): Siskiyou;