424 Area Code.

The 424 Area Code serves the Westside and South Bay regions of Los Angeles County, California. It was introduced in 2006 as an overlay to the 310 area code. It covers iconic coastal cities like Santa Monica, Beverly Hills, Malibu, and Torrance.

The 424 dialing code is known for its connection to entertainment, tech, and beachfront communities. The 424 code represents one of the most affluent and high-profile regions in Southern California.

What Is the 424 Area Code?

The 424 area code is part of the North American Numbering Plan (NANP) and serves the same territory as the older 310 area code—covering West Los Angeles, the South Bay, and parts of Ventura County including Santa Catalina Island. It was introduced on August 26, 2006, as an overlay to relieve exhaustion of 310 numbers.

Where Is Area Code 424 Located?

The 424 area code is located on the Westside of Los Angeles County, including cities like Beverly Hills, Santa Monica, Malibu, Culver City, and the Beach Cities (Manhattan, Hermosa, Redondo Beach), plus Torrance and parts of Inglewood and Carson. It fully overlaps with 310.

Area Code 424 Map and Location

Natural boundaries include the Pacific coastline and Santa Monica Mountains. The area code covers coastal and west-central Los Angeles County.

Current Coverage of the 424 Area Code.

All landlines, wireless handsets, VoIP services, and IoT devices assigned since August 2006 within the 310/424 territory may receive the 424 prefix. Ten-digit dialing is mandatory for all local calls.

Time Zone of the 424 Area Code.

All 424 numbers observe Pacific Time: UTC −8 during Standard Time and UTC −7 during Daylight Saving Time (second Sunday in March to first Sunday in November).

Historical Timeline of the 424 Area Code

Year	Change	Outcome
1991	310 split from 213	Covers West L.A. and South Bay
2006	310/424 overlay introduced	Relief for 310 exhaustion; ten-digit dialing began

Dialing Rules and Numbering Facts for Area Code 424

• Local calls: 424 + 7 digits (or 310 + 7 digits)
• Domestic long-distance: 1 + 424 + 7 digits
• Regulator: California Public Utilities Commission
• Numbering capacity expected to last beyond 2038

Who is Calling me From the 424 Area Code?

Legitimate 424 area code numbers, that could be calling you:

• City of Santa Monica – 424-467-XXXX
  (City services, housing office, recycling & sustainability notices)
• Providence Saint John’s Health Center – 424-603-XXXX
  (Medical appointment reminders, patient services, billing)
• Snap Inc. (Snapchat Headquarters – Santa Monica) – 424-356-XXXX
  (Recruitment, business development, media relations)
• Live Nation / Ticketmaster (Beverly Hills) – 424-850-XXXX
  (Concert services, ticket support, promotions, and investor relations)
• Loyola Marymount University (LMU) – 424-212-XXXX
  (Admissions, financial aid, registrar, and academic departments)
• Sony Pictures Entertainment (Culver City) – 424-657-XXXX
  (Corporate communications, licensing, studio departments)
• Chase Bank – West LA/Torrance Branches – 424-372-XXXX
  (Fraud detection, customer service, business lending)
• City of Torrance – Municipal Services – 424-230-XXXX
  (Public works, community development, library, and permit departments)
• Southern California Edison (West LA Region) – 424-401-XXXX
  (Power outage notifications, billing, field service calls)
• Verizon Wireless West LA – 424-327-XXXX
  (Customer service, mobile sales, tech support follow-ups)
• Santa Monica College (SMC) – 424-261-XXXX
  (Enrollment services, class changes, counseling office)
• Redondo Beach Unified School District – 424-254-XXXX
  (School notifications, parent outreach, district alerts)
• UCLA Health Clinics – Westside Locations – 424-259-XXXX
  (Primary care offices, specialist scheduling, test results)
• Palos Verdes Medical Group – 424-327-XXXX
  (Patient care coordination, lab results, billing department)
• Los Angeles International Airport (LAX Admin Offices) – 424-646-XXXX
  (Airport services, lost and found, vendor coordination)
• City of Inglewood – 424-200-XXXX
  (Municipal departments, housing, police department outreach)
• The Broad Stage (Santa Monica Performing Arts Center) – 424-444-XXXX
  (Box office, season tickets, group sales, event production)
• Hulu / Disney Streaming Services (Santa Monica) – 424-543-XXXX
  (Human resources, customer support, content partnerships)
• Redondo Beach City Hall – 424-452-XXXX
  (Planning, utilities, zoning, public records offices)
• El Camino College – Torrance – 424-234-XXXX
  (Admissions, academic counseling, outreach center)
• Manhattan Beach Unified School District – 424-220-XXXX
  (Principal offices, school notifications, attendance calls)

Common 424 Area Code Scam Texts and Spam Calls.

• Delivery Phishing Scams – Spoofed 424 texts claiming “delivery failure” or “package held” with a fake FedEx or USPS tracking link.
• Utility Bill Payment Fraud – Robocalls impersonating SoCal Edison or LADWP, demanding immediate payment to avoid service shutoff.
• Fake Jury Duty or Court Notices – Callers pretending to be from the L.A. County Court threatening arrest unless you pay a fine.
• Student Loan Forgiveness Hoaxes – 424 calls promising loan relief but requiring sensitive financial data or upfront fees.
• Fake Medical Device Offers – Scammers offering free back braces or COVID tests, claiming to represent Medicare or insurance companies.
• Tech Support Impersonation – Spoofed calls claiming to be from Microsoft, Norton, or Apple, urging you to fix a hacked device.
• Bank & Zelle Scam Alerts – Texts impersonating Chase, Bank of America, or Wells Fargo with fake fraud warnings asking to “verify” suspicious activity.
• Crypto Investment Texts – Offers of “guaranteed” returns from fake platforms claiming to work with Coinbase or Binance, using a 424 number.
• Romance Scams & Sextortion – Random flirty or explicit messages from spoofed 424 numbers that quickly escalate into scams or blackmail.
• Car Warranty Robocalls – Automated messages urging you to renew or extend your vehicle’s warranty before expiration.

Major Prefixes and Landmarks in Area Code 424

Central Office Code	Notable Site/City
424-200	Torrance, Inglewood, Santa Monica
424-205	Manhattan Beach, Culver City
424-235	Malibu
424-206	Redondo Beach

Top 3 Counties in Area Code 424

County	Total Population	% of 424	% of County
Los Angeles, CA	9,818,605	88%	18%
Ventura, CA	823,318	5%	2%
Santa Barbara, CA	423,895	6%	2%

Top Cities in Area Code 424

City	Total Population	% of 424	% of City
Los Angeles, CA	3,792,621	15%	30%
Torrance, CA	145,438	2%	100%
Compton, CA	96,455	1%	100%
Santa Monica, CA	89,736	1%	100%
Carson, CA	91,714	2%	96%
Inglewood, CA	109,673	1%	76%
Hawthorne, CA	84,293	1%	91%
Redondo Beach, CA	66,748	1%	100%
Lynwood, CA	69,772	0%	94%
Gardena, CA	58,829	1%	100%
Rancho Palos Verdes, CA	41,643	1%	100%
Culver City, CA	38,883	1%	100%
Manhattan Beach, CA	35,135	0%	100%
Beverly Hills, CA	34,109	1%	99%
Lawndale, CA	32,769	0%	100%
Willowbrook, CA	35,983	0%	66%
Lennox, CA	22,753	0%	100%
West Carson, CA	21,699	0%	100%
Lomita, CA	20,256	0%	100%
Hermosa Beach, CA	19,506	0%	100%
El Segundo, CA	16,654	1%	100%
West Hollywood, CA	34,399	0%	46%
East Rancho Dominguez, CA	15,135	0%	100%
Palos Verdes Estates, CA	13,438	0%	100%
Malibu, CA	12,645	2%	100%
Del Aire, CA	10,001	0%	100%
Marina del Rey, CA	8,866	0%	100%
Alondra Park, CA	8,592	0%	100%
Rolling Hills Estates, CA	8,067	0%	100%
Topanga, CA	8,289	2%	95%
West Rancho Dominguez, CA	5,669	0%	100%
Ladera Heights, CA	6,498	0%	60%
Avalon, CA	3,728	0%	100%
Rolling Hills, CA	1,860	0%	100%

Largest Telephone Carriers in Area Code 424 – Landline

Prefixes	Carrier
6%	Level 3
3%	Bandwidth.com
2%	Telekenex
2%	Telcentris Communications
2%	XO
1%	Paetec Communications
1%	Pacific Bell
11%	Other

Largest Telephone Carriers – Wireless

Prefixes	Carrier
3%	Sprint
2%	Verizon
2%	MetroPCS Networks
2%	T-Mobile
2%	Cingular
1%	Paetec Communications
1%	Global Crossing Local Services
1%	Other

Prefixes Overview

• 52% of numbers are assigned to a telecoms company
• 66% are Landlines
• 4% Unknown
• 30% are Wireless

Who Is Calling or Texting Me from Area Code 424?

Legitimate calls come from local businesses, studios, city services, and beach-area providers. However, scam and spam messages also appear. Common scams include fake promotions, spoofed business calls, and delivery phishing links.

Legitimate Organizations That Use 424 Numbers

• Google (Playa Vista campus) – Located in the “Silicon Beach” area, Google offices sometimes use 424 numbers for recruiting or operations.
• University of Southern California (USC Health Sciences Westside Clinics) – Westside outreach and clinics may call from 424 prefixes.
• Providence Saint John’s Health Center – Major hospital in Santa Monica, often uses 424 area numbers for scheduling and patient communications.
• Snap Inc. (Snapchat headquarters) – Based in Santa Monica, many Snap departments use 424 numbers for HR, legal, and media inquiries.
• Live Nation / Ticketmaster (Beverly Hills office) – May use 424 lines for event coordination and customer service follow-ups.
• Hulu / Disney Streaming Services (Santa Monica campus) – 424 numbers are occasionally used for recruitment or marketing coordination.
• Loyola Marymount University (LMU) – LMU’s Westchester campus phone numbers include 424 prefixes for admissions and administrative offices.
• Sony Pictures Entertainment – Located in nearby Culver City, certain Sony departments use 424 numbers for internal and external communication.
• City of Santa Monica – Various city departments, including utilities and code enforcement, use 424 area code lines.
• Los Angeles Unified School District (West Region) – Regional offices and some schools within 424 territory may use these prefixes.
• SpaceX (Hawthorne) – Some outreach and coordination calls from support departments use 424 numbers, though most internal lines are routed through corporate systems.

Pop-Culture Significance of the 424 Area Code

While less iconic than 310, 424 is growing in recognition across Westside culture and business branding. Its overlap with high-profile areas gives it a modern, professional tone.

How Do I Get a Number in the 424 Area Code Today?

• Ask your mobile or VoIP carrier for a 424 number
• Buy a virtual number from services like RingCentral or Google Voice
• Use a vanity number broker for memorable combinations

The Area Code 424 in the Future

Number pooling and the overlay allow ample new 424 assignments. No additional overlay is currently planned; the area has sufficient numbering resources into the foreseeable future.

You can read more about the 424 and 310 dialing codes on this Wikipedia page.

Top Counties and Cities in Area Code 424

County	Total Population	% of 424	% of County
Los Angeles	9.82 million	88%	18%
Ventura	0.82 million	5%	2%
Santa Barbara	0.42 million	6%	2%

City	Total Population	% of 424	% of City
Los Angeles	3.79 million	15%	30%
Torrance	145,000	2%	100%
Compton	96,000	1%	100%
Santa Monica	90,000	1%	100%
Carson	92,000	2%	96%

Largest Telephone Carriers

Landline: Level 3, Bandwidth, Pacific Bell, others

Wireless: Sprint, Verizon, MetroPCS, T-Mobile, others

Prefixes Overview

• Approximately 90% of numbers are assigned
• 50% landline
• 45% wireless
• 5% unknown

FAQ

Where is the 424 area code located?

The 424 area code is located in Westside and South Bay Los Angeles County, covering cities like Beverly Hills, Santa Monica, Malibu, and Inglewood.

Is the 424 area code a cell-phone code?

No. It can be assigned to landlines, mobile phones, VoIP, or IoT devices depending on the carrier.

What does 424 mean in WhatsApp?

In WhatsApp, +1 424 shows a number registered in the U.S., specifically in the Los Angeles Westside or South Bay.

When did the 424 area code start?

The 424 area code was launched on August 26, 2006, as an overlay to the 310 region.

How can I get a 424 number?

Request a 424 number from your carrier or get one via virtual number providers or a vanity number broker.

Which country code is +1 424?

+1 is the U.S. country code. 424 is a California area code within that system.

Which area code gets the most spam calls?

Urban codes like 424 are frequently targeted due to population density and business activity.

What scams use the 424 area code?

Common scams include delivery phishing, fake giveaways, and spoofed business calls.

Why am I getting a 424 text message?

It could be a legitimate message from someone in L.A. or a scam. Always verify unknown senders.

Who is calling from 424?

Could be anyone in the region—businesses, local agencies, or spammers using spoofed numbers.

What area code is 424 on Reddit?

Discussions about 424 appear in subreddits like r/LosAngeles and r/Scams, often tied to robocalls or cultural context.

What city uses the 424 area code?

Multiple cities in the Westside and South Bay region of Los Angeles County use the 424 area code.