91310 Frequently Asked Questions

A: ZIP Code 91310 is Located in Castaic California.

A: ZIP Code 91310 is Located Entirely in Los Angeles County California.

A: The Current Sales Tax in ZIP Code 91310 is 9.5%

A: ZIP Code 91310 is in the California 27th Congressional District.

A: ZIP Code 91310 is in California State Assembly District 40.

A: ZIP Code 91310 is in California State Senate District 23.