Area Codes
| 530 | California (Alturas, Chico, Davis, Redding, Placerville, Truckee and northeastern California) | More information at: Area Code 530 Phone Number Blocks
| 530 | California (Alturas, Chico, Davis, Redding, Placerville, Truckee and northeastern California) | More information at: Area Code 530 Phone Number Blocks