Walnut Creek, California Area Code

Walnut Creek, CA Area Codes are

Walnut Creek, CA is currently using one area code which is area code 925.

In addition to Walnut Creek, CA area code information read more about area code 925 details and California area codes.

Walnut Creek, CA is located in Contra Costa County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map