Area Code 310 — California

Active General Purpose Code Overlay United States

Area code 310 is located in California and operates on Pacific Time . The largest city served is Los Angeles .

Coverage Area

Area code 310 — California

Area Code Details

Area Code: 310
State / Province: California (CA)
Country: United States
Time Zone: Pacific Time Pacific Time
Local Time Now: —
Status: Active
Code Type: General Purpose Code
In Service Since: November 2, 1991
Assigned: August 31, 1990
Population Served: ~4,447,928 est.
Overlay Complex: 310/424

Cities Served

Largest City Los Angeles

Los Angeles Torrance Inglewood Compton Santa Monica Hawthorne Culver City Beverly Hills El Segundo West Los Angeles Redondo

History & Relationships

Split from

New codes split from 310

424 California 562 California

Overlay complex — shares geography with

Rate Centers & Exchanges

13 rate centers identified within area code 310

View exchanges →

Other Area Codes in California

Nearby Area Codes

Frequently Asked Questions About Area Code 310

What state is area code 310?

Area code 310 is located in California, United States.

Where is area code 310 from?

Area code 310 originates from California. It operates in the Pacific Time zone.

What time zone is area code 310?

Area code 310 falls within the Pacific Time zone (Pacific Time).

What cities are in area code 310?

Area code 310 serves cities including Los Angeles, Torrance, Inglewood, Compton, Santa Monica, Hawthorne, Culver City, Beverly Hills, and more.

Is a call from area code 310 a scam?

Area code 310 is a legitimate general purpose code area code serving California. Like any area code, individual numbers using 310 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.