Monte Rio, California Area Code

Monte Rio, CA Area Codes are

369 and 707

Monte Rio, CA is officially utilizing two area codes which are area codes 707 and 369.

In addition to Monte Rio, CA area code information read more about area code 707, area code 369 and California area codes.

Monte Rio, CA is located in Sonoma County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map