Twain Harte, California Area Code

Twain Harte, CA Area Codes are

209 and 350

Twain Harte, CA is officially utilizing two area codes which are area codes 209 and 350.

In addition to Twain Harte, CA area code information read more about area code 209, area code 350, and California area codes.

Twain Harte, CA is located in Tuolumne County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map