Redwood City, California Area Code

Redwood City, CA Area Codes are

Redwood City, CA is currently using one area code which is area code 650.

In addition to Redwood City, CA area code information read more about area code 650 details and California area codes.

Redwood City, CA is located in San Mateo County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map