Sunnyvale, California Area Code

Sunnyvale, CA Area Codes are

408 and 669

Sunnyvale, CA utilizes an area code overlay in which area codes 408 and 669 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Sunnyvale, CA area code information read more about area codes 408 and 669 details and California area codes.

Sunnyvale, CA is located in Santa Clara County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map

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