310 Area Code
West Los Angeles, California
Area code 310 is located in West Los Angeles, California. It covers Beverly Hills, Santa Monica, and surrounding areas in the Pacific time zone (UTC-8). Administered by NANPA.
Where is area code 310?
Area code 310 is located in West Los Angeles, California. It covers Beverly Hills, Santa Monica, and surrounding areas in the Pacific time zone (UTC-8).
Area code 310 is overlaid by area code 424. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 310
Area code 310 primarily serves the West Los Angeles area of California. The exact coverage includes Beverly Hills, Santa Monica, and Culver City, along with surrounding communities and suburbs.
Time Zone
Pacific Time — UTC-8
Area code 310 operates in the Pacific Time Zone. When calling 310 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 310
Area code 310 was introduced in 1984 as a geographic area code serving West Los Angeles, California. As demand for phone numbers grew, overlay code 424 was added to the same region, requiring 10-digit dialing for local calls. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.