310 Area Code: Santa Monica, Torrance, West Los Angeles
Updated: November 2026. Area code data: NANPA assignments via Simple Wikipedia and areacode.fyi, checked November 2026.
It covers the coastal and western side of the Los Angeles area, including Santa Monica and Torrance. The overlay 424 serves the same area.
| Area code | 310 |
|---|---|
| Location | Santa Monica, Torrance, West Los Angeles |
| Time zone | Pacific Time |
| Type | Geographic |
| In service since | 1991 |
| Region | California |
Where is 310?
Santa Monica, Torrance, West Los Angeles. It covers the coastal and western side of the Los Angeles area, including Santa Monica and Torrance. The overlay 424 serves the same area.
Time zone
Area code 310 is in the Pacific Time zone. The best time to call is generally between 9 a.m. and 8 p.m. local time. Use our best time to call tool to compare it with your own time.
History
310 was split from 213 in 1991 to serve the coastal and western parts of the Los Angeles area. The overlay 424 was added in 2006.
How to dial 310
From the United States or Canada, dial 1 + 310 + the 7-digit number. From abroad, dial your international prefix, then 1 + 310 + the number — for example, +1 310 555 0132.
Is a call from 310 a scam?
Scammers can fake any area code, including 310. A number that looks local is not proof of who is calling. Never share passwords, verification codes or payment details with an unexpected caller; hang up and call the company back on a number from its official website. Report scam calls at reportfraud.ftc.gov, and forward spam texts to 7726.
Report scam calls at reportfraud.ftc.gov, forward spam texts to 7726, and register on the National Do Not Call Registry at donotcall.gov.
Nearby area codes
FAQs
What city is area code 310?
Santa Monica, Torrance, West Los Angeles.
What time zone is area code 310?
Pacific Time.
Is 310 a toll-free area code?
No. 310 is a regular geographic area code, so calls to it are charged at your normal rate.
How do I call a 310 number from abroad?
Dial your international prefix, then 1 + 310 + the 7-digit number — for example, +1 310 555 0132.
Should I call back an unknown 310 number?
Only if you are expecting the call. If you do not recognise the number, look the company up independently instead of calling back — scammers often hope a callback will connect you to a premium-rate or phishing line.
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