Where Is Area Code 310?
Area code 310 is found in the US state of California. Primarily servicing the city of Long Beach (population: 478877), area code 310 covers 1 county of California.
Located in the Pacific time zone, area code 310 is on the same time as Los Angeles, CA.
Area code 310 was brought into effect on November 2, 1991. 310 was split from the parent 213 area code.
Counties in Area Code 310
- Los Angeles.
Most Populous Cities in Area Code 310
| City | County | City Population | Time Zone |
|---|---|---|---|
| Long Beach | Los Angeles | 478,877 | PST |
| Torrance | Los Angeles | 176,911 | PST |
| Inglewood | Los Angeles | 137,205 | PST |
| Compton | Los Angeles | 136,880 | PST |
| Hawthorne | Los Angeles | 94,561 | PST |
| Santa Monica | Los Angeles | 93,392 | PST |
| Gardena | Los Angeles | 85,337 | PST |
| Carson | Los Angeles | 84,462 | PST |
| San Pedro | Los Angeles | 81,963 | PST |
| Redondo Beach | Los Angeles | 76,470 | PST |
| Lynwood | Los Angeles | 70,769 | PST |
| Wilmington | Los Angeles | 54,605 | PST |
| Culver City | Los Angeles | 47,603 | PST |
| Rancho Palos Verdes | Los Angeles | 42,417 | PST |
| Beverly Hills | Los Angeles | 42,341 | PST |
| Manhattan Beach | Los Angeles | 35,650 | PST |
| Lawndale | Los Angeles | 35,440 | PST |
| Venice | Los Angeles | 28,757 | PST |
| Harbor City | Los Angeles | 25,830 | PST |
| Palos Verdes Peninsula | Los Angeles | 25,579 | PST |
| Pacific Palisades | Los Angeles | 23,323 | PST |
| Marina del Rey | Los Angeles | 21,892 | PST |
| Lomita | Los Angeles | 21,631 | PST |
| Malibu | Los Angeles | 20,017 | PST |
| Hermosa Beach | Los Angeles | 19,792 | PST |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
This page was last updated on July 3, 2015.