There are 1 United States Postal Service post boxes available to the public in Mad River, CA. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in California.

Are you looking for a post office? See the list of post offices in Mad River, CA.

Mailbox in Post Office Lobby
2515 B State Highway 36

Mailboxes in Nearby Cities