Emerald Hills, California Area Code
Emerald Hills, CA Area Codes are
Emerald Hills, CA is officially utilizing one area code which is area code 650.
In addition to Emerald Hills, CA area code information read more about area code 650 details and California area codes.
Emerald Hills, CA is located in San Mateo County and observes the Pacific Time Zone. View our Times by Area Code tool.
Select Any California City or Town Alphabetically
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places