Riktnummer

424 Riktnummer: Westside LA & Beach Cities telefonguide

Var riktnumret 424 når, varför det överlagrar 310, dess Stillahavstidszon och hur man får ett Santa Monica-, Beverly Hills- eller Beach Cities-nummer 2026.

Akil Patel

Senior författare

6 november 202414 min läsning
Dela
The 424 Area Code — West LA's Overlay Explained. Area Code Guide 2026. West Los Angeles, Santa Monica, South Bay. Covers West LA & South Bay including West Los Angeles, Santa Monica, Marina del Rey, Culver City and more. Overlays 310 — same area, same coverage, 10-digit dialing required. Scam calls to watch — watch for spoofed local calls, never share personal info. Local Westside presence — a 424 number builds instant trust with local customers. Same area, new overlay, 10-digit dialing. Get your 424 number — a local West LA number from anywhere.

Snabbt svar: Riktnumret 424 täcker Väster om Los Angeles, Beach Cities och South Bay — Santa Monica, Beverly Hills, Culver City, Malibu, Manhattan Beach, Hermosa Beach, Redondo Beach, El Segundo, Torrance, San Pedro och Palos Verdes-halvön. Det gick live 26 juli 2006 som en överlägg till 310 — Båda koderna ringer till exakt samma kustområde i LA. Den sitter i Stillahavstid, och 10-siffrig uppringning krävs för varje lokalsamtal.

424 i en blick

FaktumVärde
AngeKalifornien
OmrådeVästra Los Angeles · Westside · South Bay · Beach Cities
GrevskapLos Angeles (västra kustdelen)
StorstäderSanta Monica, Beverly Hills, Manhattan Beach, Culver City, Torrance
Städer tjänade25+
Befolkning täckt~2 miljoner
TidszonStilla havet (UTC−8 / UTC−7 sommartid)
Skapad26 juli 2006
TypÖverlägg ovanpå 310
Syskonkod310
Land / planUSA · NANP

Där riktnummer 424 täcker

Where the 424 area code covers — a stylized map of western Los Angeles County and the Pacific coast. 424 and 310 overlay the same Westside / South Bay region: Malibu, Santa Monica (anchor), Venice, Marina del Rey, El Segundo, Manhattan Beach, Hermosa Beach, Redondo Beach, Palos Verdes, plus inland Beverly Hills, Culver City and Torrance. Neighbors: 818 (SF Valley) north, 213/323 (Downtown LA) east, 562 (Long Beach) southeast.

424 ringer den västra kanten av Los Angeles County - remsan av städer som löper längs Stilla havet från Malibu i norr, genom Santa Monica, Venedig och Marina del Rey, ner genom El Segundo, den Strandstäder (Manhattan Beach, Hermosa Beach, Redondo Beach) och runt Palos Verdes halvön till San Pedro. Inåt landet når den in Beverly Hills, Culver City, Torrance, Inglewood, Hawthorne, Lawndale och Gardena.

Andra 424/310-gemenskaper inkluderar: West Hollywood (parts), Westwood, Brentwood, Pacific Palisades, Bel Air, Beverly Glen, Cheviot Hills, Mar Vista, Playa del Rey, Playa Vista, Westchester, Lomita, Rolling Hills, Rolling Hills Estates, Rancho Palos Verdes och Catalina Island.

Neighboring area codes

DirectionCode(s)Område
North818 / 747San Fernando Valley
East213 / 323Downtown / central Los Angeles
Southeast562Long Beach + SE LA county
Same territory310The original Westside / South Bay code

310 + 424-överlägget — hur det fungerar

The 310 + 424 overlay — two area codes sharing the same Westside LA territory. Timeline: 1947 NANP launches (213 covers all of greater LA), November 1991 (310 splits from 213, West LA + South Bay carved off), July 2006 (424 added as an overlay across the same 310 territory), 2026 (both codes ring the same Westside + Beach Cities region). Diagram: two overlapping circles showing 310 (original, 1991) and 424 (overlay, 2006) meeting at a "Same Region · Westside LA + Beach Cities" center. Dialing rules: 424 XXX XXXX (10 digits required), 310 XXX XXXX (from 310), +1 424 XXX XXXX (international E.164).

Phone numbers along the LA coast started running short in the early 2000s. Rather than re-carve the territory and force everyone to renumber, the California Public Utilities Commission layered 424 on top of 310. Both codes now ring the same neighborhoods.

What that means in practice:

  • Existing 310 lines stayed 310. Nobody had to change numbers.
  • New numbers issued after July 2006 went to whichever pool — 310 or 424 — had inventory. Today, most fresh business lines are 424.
  • A 424 number is not "lesser" than a 310 number. They cover the identical geography. To a Santa Monica or Manhattan Beach customer, both read as local.
  • 10-digit dialing is mandatory because two codes share one region — the seven-digit local part isn't unique, so the network needs the full number to route.

Ready when you are

Protect your business line.

MCM's local numbers ship with verified caller ID and smart call filtering — customers always know it's really you, and spam never reaches your team.

Get your local number

Hur riktnummer 424 fungerar

424 is a standard 10-digit phone number in the North American Numbering Plan (NANP). The format follows the NPA-NXX-XXXX structure:

  • 424 — NPA (area code)
  • NXX — three-digit central-office prefix
  • XXXX — four-digit subscriber line number

Dialing rules:

Calling fromDial
Inside the US / Canada424 XXX XXXX (10-digit dialing is mandatory)
With a leading 11 424 XXX XXXX
Outside North America+1 424 XXX XXXX
Any mobile (worldwide)+1 424 XXX XXXX

Tidszon för riktnummer 424

424 sits in the Pacific Time Zone:

  • Pacific Standard Time (PST): UTC−8 (early November through early March)
  • Pacific Daylight Time (PDT): UTC−7 (early March through early November)

Reference clock — when it's 12:00 PM in 424 (Santa Monica):

CityTime
New York3:00 PM
Chicago2:00 PM
Denver1:00 PM
London8:00 PM
Berlin9:00 PM
Mumbai12:30 AM (next day)
Singapore3:00 AM (next day)
Tokyo4:00 AM (next day)

If you're scheduling outbound calls to a 424 number from outside California, target between 9 AM and 5 PM Pacific Time to land in normal Westside business hours.

Städer och län i 424-regionen

The largest 424 cities and what each is known for:

CityApprox. populationKnown for
Torrance145,000South Bay business + automotive corridor
Inglewood109,000SoFi Stadium, Intuit Dome, the Forum
Santa Monica91,000Beachfront, Third Street Promenade, Silicon Beach
Hawthorne88,000SpaceX headquarters, light industrial
Redondo Beach66,000Beach Cities anchor, Riviera Village
Manhattan Beach36,000Beach Cities anchor, Beach Volleyball capital
Culver City39,000Sony Pictures, Amazon Studios, post-production hub
Beverly Hills32,000Luxury retail, Rodeo Drive, entertainment industry
Hermosa Beach19,000Beach Cities anchor, pier + strand
El Segundo17,000LAX-adjacent · aerospace + tech (Mattel, AT&T, Boeing)
Malibu11,00021 miles of coastline, surfing, celebrity homes
Palos Verdes Estates13,000Palos Verdes Peninsula cliffs + ocean views

Postnummer i riktnummer 424

The 424 / 310 region overlaps with roughly 80+ Westside / South Bay ZIP codes. The most common ones, grouped by city:

CityZIP codes
Santa Monica90401, 90402, 90403, 90404, 90405
Beverly Hills90210, 90211, 90212
Culver City90230, 90232
Malibu90263, 90264, 90265
Venedig90291, 90292, 90293
Marina del Rey90292, 90295
El Segundo90245
Manhattan Beach90266
Hermosa Beach90254
Redondo Beach90277, 90278
Torrance90501, 90502, 90503, 90504, 90505
Inglewood90301, 90302, 90303, 90304, 90305
Hawthorne90250
Gardena90247, 90248, 90249
Palos Verdes Estates / Rancho PV90274, 90275
San Pedro90731, 90732
Westwood / Brentwood / Bel Air90024, 90025, 90049, 90077

(Source: USPS ZIP code data and California Public Utilities Commission records.)

Exempel 424 prefix (NXX)

Hundreds of central-office prefixes are assigned within 424. A sample by area (not exhaustive):

AreaCommon prefixes (NXX)
Santa Monica / Westside209, 235, 244, 248, 281, 302, 314, 333, 343, 354, 363, 372, 391, 393, 401, 425, 442, 456, 478, 501, 522, 543, 558, 571, 600
Beverly Hills / West LA248, 281, 333, 354, 421, 444, 462, 500, 535, 666, 777
South Bay / Beach Cities203, 227, 269, 277, 320, 333, 425, 456, 488, 526, 528, 543, 558, 562, 600
Torrance / Hawthorne / Gardena224, 234, 285, 333, 392, 393, 396, 461, 488, 522, 526, 561, 666, 750
San Pedro / Palos Verdes254, 488, 528, 530

(Source: NANPA Central Office Code Utilization Survey and Telcodata records.)

Historik och ursprung för riktnummer 424

Quick timeline of the LA coast's dialing history:

YearEvent
1947NANP launches. All of greater Los Angeles is served by area code 213.
1957213 splits — Riverside / San Bernardino get 714, Bakersfield / Santa Barbara get 805. 213 keeps LA.
November 1991310 splits from 213. West LA, the Westside, the South Bay and the Beach Cities get their own code — separating them from downtown / east LA, which keeps 213.
1997562 splits from 310, taking Long Beach + SE LA County.
26 juli 2006424 added as an overlay across the same territory as 310. 10-digit dialing — already required across most of LA — continues.
2026Both 310 and 424 still ring the same Westside / Beach Cities footprint.

Varför ett 424-nummer hjälper ditt företag

The Westside and Beach Cities are saturated with media, tech, entertainment, healthcare and professional-services businesses. A local code reads as "established in LA" — and Pacific-coast customers screen unfamiliar caller IDs aggressively.

Trust and answer rates

People screen calls. A 424 (or 310) caller ID reads as a Westside neighbor; an out-of-state number often goes straight to voicemail.

Marketing and brand recall

A 424 number on a billboard, vehicle wrap or geo-targeted ad reads as local Westside. Vanity numbers — like 424-MALIBU-AGENT or 424-BEACH-PROS — double as advertising.

Flexibility without an office

A virtual 424 number isn't tied to a physical address. Remote teams, online sellers, and out-of-state owners can all run a Santa Monica or Beverly Hills line — calls forward to any device, anywhere.

Hur man får ett 424-telefonnummer

Get a 424 number in 5 steps — a zigzag flowchart. Step 1: Sign up (free account, no card to browse). Step 2: Search 424 (filter by 424 or 310, both cover the same region). Step 3: Pick a number (standard or vanity like 424-MALIBU-AGENT). Step 4: Pick a plan (seat count + features, from $12 / user). Step 5: Live (within the hour). Bottom row: features to set up first — call forwarding, voicemail to email, auto attendant (IVR), business SMS, call recording.

A 424 number is useful if you sell into the Westside, run a service business in Santa Monica, Manhattan Beach or Beverly Hills, target the Silicon Beach / entertainment corridor, or want a local-feeling presence for Westside customers. You don't need to live in California — virtual-number providers can issue you a real 424 number that rings on any device.

The setup runs in five steps and takes about five minutes:

  1. Sign up. Free account. No card needed to browse numbers.
  2. Search 424 (and 310 if you want options). Both cover the same Westside region.
  3. Pick a number. Standard or vanity (e.g. 424-MALIBU-AGENT).
  4. Pick a plan. Choose the seat count and features that fit your team.
  5. Activate instantly and configure your features.

Features to set up first

A few capabilities deliver value immediately:

  • Call forwarding to route calls to any device.
  • Voicemail-to-email so messages arrive as text.
  • Auto attendant (IVR) to greet and route callers.
  • Business SMS to text customers from your line.
  • Call recording for quality and training.

Pricing as of mid-2026:

ProviderStarts atBest for
My Country Mobile$12 / user / moGlobal teams; 190+ destinations
OpenPhone$15 / user / moUS-based startups
MightyCall$15 / user / moSmall businesses with toll-free needs
RingCentral$30 / user / moMid-market and enterprise
LinkedPhone$20 / user / moSolo professionals and consultants

See 424 virtual number options →

Tre vanliga misstag med 424 nummer

  1. Thinking 424 is "less local" than 310. It isn't. Both codes cover the identical Westside + Beach Cities territory. To a Santa Monica customer, a 424 number reads exactly as local as a 310 number.
  2. Dialing only seven digits. Has not worked across LA since the late 1990s. Always dial all 10 digits.
  3. Assuming a 424 caller is physically on the Westside. With virtual numbers and number portability, a 424 number can ring anywhere in the world.

Är 424 ett skräppostrikt riktnummer?

424 isn't on any "high-risk" robocall list, but as part of a top-2 US metro it sees its share of spoofed calls. The FCC, FTC and California Public Utilities Commission have stepped up enforcement under the STIR/SHAKEN call-authentication framework, which most US carriers fully implemented by 2021. If you receive a suspicious 424 call:

  • Don't return it — scammers spoof local-looking 424 numbers to raise pickup rates.
  • Report it to the FTC at reportfraud.ftc.gov.
  • File a complaint with the FCC at consumercomplaints.fcc.gov.
  • Add the number to your phone's block list.

Snabbfakta: 424 i ett ögonkast

DetailInformation
OmrådeWestside LA / Beach Cities / South Bay
TidszonStilla havet (UTC−8 / UTC−7 sommartid)
Overlay of310 (since July 26, 2006)
Dialing10 digits required for local calls
StorstäderSanta Monica, Beverly Hills, Manhattan Beach, Culver City, Torrance
Nearby codes310, 818, 213, 323, 562

Ready when you are

Ready to sound local everywhere you sell?

MCM activates business numbers in minutes, with call routing, analytics, and CRM-ready integrations. Start your free trial — no card to browse inventory.

Start your free trial

Vanliga frågor

What is the difference between the 424 and 310 area codes?

They cover the exact same Westside / South Bay territory. 424 was added as an overlay in 2006 to expand the number supply, so either code works equally well as a local Westside line.

Why do I have to dial 10 digits for local 424 calls?

Because 424 and 310 share one region, the phone network needs the full 10-digit number to route calls correctly. This applies to every local call.

Can I get a 424 number if I do not live in California?

Yes. A virtual number isn't tied to a physical address, so a business anywhere can run a 424 line and have calls forwarded to its real location.

Is a 424 number toll-free?

No. It's a standard local geographic number for the LA Westside. Toll-free numbers use prefixes like 800, 888, or 877.

What cities are in the 424 area code?

Santa Monica, Beverly Hills, Manhattan Beach, Culver City, Torrance, Malibu, Venice, Marina del Rey, El Segundo, Hermosa Beach, Redondo Beach, Palos Verdes, San Pedro, Inglewood, Hawthorne, Gardena, Lomita, Westwood, Brentwood, Pacific Palisades and Catalina Island, among others.

When was the 424 area code created?

July 26, 2006, as an overlay on top of 310.

Can I pick a specific or vanity 424 number?

Often, yes. Many providers let you search available numbers and choose memorable or vanity combinations (like 424-MALIBU-AGENT), subject to what's currently unassigned.

How fast can a 424 business number be set up?

Most numbers activate the same day, often within minutes through self-service portals. Porting an existing 424 number takes 5–10 business days, during which you stay live on a temporary number.

Skaffa ett virtuellt 424-nummer för ditt företag

If you want to sound local to Westside LA customers — for sales calls into Santa Monica and Beverly Hills, a clinic or service business in Manhattan Beach or Redondo Beach, or just to separate work calls from personal mobile — a virtual 424 number sets up in minutes.

My Country Mobile offers 424 numbers with call forwarding, voicemail-to-email, SMS, IVR, and integrations with HubSpot, Zoho, Pipedrive and Zendesk. Calls route to any device worldwide, pricing starts at $12/user/month, and over 17,500 businesses already trust MCM with their virtual phone presence.

Get a 424 virtual number →

Källor

Written by

Akil Patel

Senior författare

Akil writes the MCM field guides on phone numbers, dialing rules, and area-code references used by ops teams across North America.

Try the platform. Be on a call by lunch.

Same product, same support, same security — no matter which plan you pick.