Located in
Siskiyou County
Dunsmuir Post Offices
Here are all Dunsmuir CA post office locations. There are many post offices in or around Dunsmuir, California to choose from. Below is the location of each Dunsmuir post office. Get the most up-to-date post office hours in Dunsmuir. Find phone numbers and map out the exact location of the post office you are looking for.