820 Area Code
Northern California (overlay), California
Area code 820 is located in Northern California (overlay), California. It covers Redding, Chico, and surrounding areas in the Pacific time zone (UTC-8). Administered by NANPA.
Where is area code 820?
Area code 820 is located in Northern California (overlay), California. It covers Redding, Chico, and surrounding areas in the Pacific time zone (UTC-8).
Cities Covered by Area Code 820
Area code 820 primarily serves the Northern California (overlay) area of California. The exact coverage includes Redding, Chico, and Yuba City, along with surrounding communities and suburbs.
Time Zone
Pacific Time — UTC-8
Area code 820 operates in the Pacific Time Zone. When calling 820 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 820
Area code 820 was introduced in 2022 as a geographic area code serving Northern California (overlay), California. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.