Siskiyou County California is covered by a total of 24 ZIP Codes. There are 5 ZIP Codes in Siskiyou County that extend into adjacent counties (Humboldt County, Modoc County, and Shasta County). Of the ZIP codes within or partially within Siskiyou County there are 23 Standard ZIP Codes and 1 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Siskiyou County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Somes Bar | Standard | |||
| Burney | Standard | |||
| Callahan | Standard | |||
| Canby | Standard | |||
| Dorris | Standard | |||
| Dunsmuir | Standard | |||
| Etna | Standard | |||
| Forks of Salmon | Standard | |||
| Fort Jones | Standard | |||
| Gazelle | Standard | |||
| Greenview | PO Box | |||
| Grenada | Standard | |||
| Happy Camp | Standard | |||
| Hornbrook | Standard | |||
| Klamath River | Standard | |||
| McCloud | Standard | |||
| Macdoel | Standard | |||
| Montague | Standard | |||
| Mount Shasta | Standard | |||
| Scott Bar | Standard | |||
| Seiad Valley | Standard | |||
| Weed | Standard | |||
| Yreka | Standard | |||
| Tulelake | Standard |