Area code 424 serves western Los Angeles County. It shares territory with 310 and covers coastal cities, residential communities, business districts, and transport locations. The region includes Santa Monica, Beverly Hills, Malibu, Torrance, and communities. This guide explains its location, history, time zone, cities, users, numbering status, and dialling process.
Where Is Area Code 424 Located?
Area code 424 overlays area code 310. Both codes serve the same region across western and southwestern Los Angeles County.
The service area stretches from Malibu and West Los Angeles to the South Bay, Palos Verdes Peninsula, Los Angeles International Airport, and Santa Catalina Island.
Some of the main cities and communities covered include:
- Beverly Hills
- Carson
- Culver City
- El Segundo
- Hawthorne
- Inglewood
- Lomita
- Malibu
- Manhattan Beach
- Redondo Beach
- Santa Monica
- Torrance
- West Los Angeles
- San Pedro
- Rancho Palos Verdes
The region supports tourism, media, aerospace, technology, healthcare, shipping, retail, hospitality, and professional services across coastal neighbourhoods and employment centres.
History of Area Code 424
Area code 424 was introduced as an overlay of area code 310. The California Public Utilities Commission approved the overlay in August 2005 after available 310 numbers continued to decline.
Mandatory expanded dialling began on July 26, 2006, and telephone companies started assigning new 424 numbers on August 26, 2006. Existing customers kept their 310 numbers, while new lines could receive either code.
The 310 code had been created from 213 in 1991 and was split in 1997 to form area code 562. The 424 overlay became California’s first all-services area-code overlay.
Time Zone of Area Code 424
Area code 424 follows the Pacific Time Zone. It observes Pacific Standard Time during standard time and Pacific Daylight Time while daylight saving time is active.
The region is generally three hours behind Eastern Time. People calling from other states or countries should check the local time before contacting homes, offices, schools, or businesses.
Major Cities and Their Importance
1. Santa Monica
Santa Monica is a major coastal city known for tourism, technology, retail, hospitality, healthcare, entertainment, and Pacific Ocean access. Its commercial districts serve residents and visitors.
2. Beverly Hills
Beverly Hills is recognised for luxury retail, hotels, restaurants, professional services, healthcare, and entertainment businesses. It has an international profile and residential character.
3. Torrance
Torrance is one of the largest cities in the 424 region. It supports manufacturing, healthcare, retail, logistics, offices, schools, and residential neighbourhoods.
4. Culver City
Culver City is an important centre for film, television, digital media, technology, dining, and creative businesses, with access to central Los Angeles and coastal communities.
Who Uses Area Code 424?
Area code 424 is used by residents, mobile customers, hotels, shops, hospitals, schools, government offices, media companies, aerospace firms, technology businesses, and service providers throughout the 310/424 region.
A 424 number gives organisations a local presence in western Los Angeles County. It may appear alongside 310 within the same household, office, or business.
Is Area Code 424 Running Out?
Area codes 310 and 424 share a combined supply of telephone prefixes. The latest official forecast projects that the overlay region could exhaust its available prefixes in the first quarter of 2043.
The forecast is not a fixed deadline and may change with demand, number returns, conservation measures, and carrier requirements. No additional overlay has been announced for this region.
How to Dial Area Code 424
Because 424 overlays 310, callers must include the area code. Use these methods:
- From a local landline: Dial 1 + 424 or 310 + the seven-digit telephone number.
- From a mobile phone: Dial 424 or 310 + the seven-digit number.
- From outside the United States: Dial +1 + 424 + the seven-digit number.
- For emergency and approved short services: Dial numbers such as 911 or 811 directly.
Store the complete area code and number in contacts, websites, alarms, business records, and automatic dialling equipment.
Final Thoughts
Area code 424 represents western Los Angeles County and shares its territory with 310. Santa Monica, Beverly Hills, Torrance, Culver City, Malibu, and the South Bay give the region a varied identity.
Since numbers began being assigned in 2006, 424 has supported residents, businesses, institutions, and public services without requiring existing 310 customers to change their numbers.
