What area code is 310?
Here's everything about it.
Instant lookup for the 310 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
310 at a glance
SummaryCities served by 310
West LAWhere 310 sits on the map
Overlay: 424Coverage area
Why is there a 424 overlay?
310 ran out of new number combinations as the region grew, so the 424 area code was added over the same geographic area. New lines get either code — both are local calls to each other, and 10-digit dialing is required throughout the region.
Who called me from 310?
Community reportsFrequently asked questions
FAQWhat area code is 310?+–
310 serves the west side of Los Angeles County, including the coastal and beach communities. It shares territory with the 424 overlay.
Where is area code 310 located?+–
It covers Los Angeles and the surrounding area, including Santa Monica, Beverly Hills, Culver City, Torrance in California.
What time zone is 310?+–
310 observes Pacific (PT), which is UTC−8 / −7 DST and follows daylight saving time.
Is 310 the same as 424?+–
424 is an overlay code covering the same geographic area as 310. They are not interchangeable numbers, but calls between them are local.
Can I get a 310 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 310 number regardless of where you physically live.