According to our records, this business is located at P.O. BOX 9998 in Canyon (in Contra Costa County), California 94516, the location GPS coordinates are: 37.8302599 (latitude), -122.165544 (longitude). Canyon Post Office is categorized under Post Offices (SIC code 4311). Known organization branch manager is Elena Tyrrell. You can contact the company by phone at (925) 376-5600.