Rio Oso, California Area Code

Rio Oso, CA Area Codes are


Rio Oso, CA is officially utilizing one area code which is area code 530.

In addition to Rio Oso, CA area code information read more about area code 530 details and California area codes.

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

California Area Code Map