Area Code 310

Los Angeles, California · PST/PDT (UTC-8) · United States

Area Code
310
City
Los Angeles, CA
Time Zone
PST/PDT
UTC Offset
UTC-8 / UTC-7 DST
DST
Observed
Introduced
1984

Where Is Area Code 310?

West LA, Santa Monica, Beverly Hills, Malibu, LAX area

West side of Los Angeles. Overlay with 424.

Major Cities & Neighborhoods
Santa MonicaBeverly HillsMalibuCulver CityEl Segundo

Time Zone for Area Code 310

Standard Time
PST (UTC-8)
Daylight Time
PDT (UTC-7)
DST 2026 Start
March 8, 2026
DST 2026 End
November 1, 2026
Country
United States
IANA Zone
America/Los_Angeles

Calling Area Code 310

Domestic Calls

Dial 1 + 310 + 7-digit number for calls from outside the area. 10-digit dialing is mandatory in this area due to overlay codes.

International Calls

From outside United States: dial your country's exit code + 1 + 310 + number. From most countries, the format is +1-310-XXX-XXXX.

Best Time to Call

Area code 310 is in PST/PDT (UTC-8). Business hours are typically 9:00 AM – 5:00 PM local time. Remember that clocks shift during DST (March–November).

Scam Awareness

While (310) is a legitimate area code, scammers can spoof any number. Never share personal info with unknown callers. Verify by calling the organization directly.

Frequently Asked Questions

Other California Area Codes

More PST/PDT Area Codes

Area code data sourced from NANPA. Timezone data from IANA Time Zone Database. Last updated March 2026.