Callahan, California
Unincorporated community in California, United States
Callahan is an unincorporated community in Siskiyou County, California, United States. Callahan is located on California State Route 3, 11.5 miles (18.5 km) south-southeast of Etna. Callahan has a post office with ZIP code 96014. As of 2009 it has a population of 50~.