Area code 310
Area code 310 serves Los Angeles and nearby parts of California, including Santa Monica, Beverly Hills and Torrance. It is on Pacific Time, which observes daylight saving time. 424 is an overlay for the same area.
Area code 310 at a glance
| State | California (CA) |
| Main city | Los Angeles |
| Time zone | Pacific Time |
| UTC offset | UTC−8 in winter, UTC−7 in summer |
| Daylight saving time | Yes |
| Overlay codes | 424 |
Cities in 310
- Los Angeles
- Santa Monica
- Beverly Hills
- Torrance
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 310 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Here is that window for a 310 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 310 between |
|---|---|
| Eastern | 11:00 AM to 12:00 AM |
| Central | 10:00 AM to 11:00 PM |
| Mountain | 9:00 AM to 10:00 PM |
| Arizona | 8:00 AM to 9:00 PM |
| Pacific | 8:00 AM to 9:00 PM |
See the time in 310 without leaving your CRM
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Other area codes in California
Questions about 310
What time zone is area code 310?
Area code 310 is on Pacific Time. It observes daylight saving time.
Where is area code 310?
Area code 310 is in California. Its main city is Los Angeles, and it also covers Santa Monica, Beverly Hills and Torrance.
What are the legal hours to call a 310 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Personal and informational calls are not limited by these hours.
What area codes overlay 310?
424 covers the same area as 310, so numbers in the same town can have either code.