United States flagCalifornia, United States·+1

Santa Monica, California

424 Area Code

Establish a trusted local presence in West Los Angeles and the South Bay with a 424 area code number. Perfect for businesses targeting Santa Monica, Beverly Hills, Malibu and Culver City with higher pickup rates and local credibility.

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About 424 Area Code

Area code 424 serves West Los Angeles and the South Bay region of California. Introduced on July 26, 2006 as an overlay to the existing 310 area code, 424 covers prestigious communities including Santa Monica, Beverly Hills, Malibu, Culver City, Torrance and Redondo Beach across Los Angeles County. The code extends to Santa Catalina Island, 26 miles offshore. Both 424 and 310 share the same geographic footprint, providing local voice and SMS-capable numbers for businesses targeting this affluent and culturally significant market.

The 424 region hosts entertainment studios, tech startups, aerospace firms, and luxury retail. Companies in Santa Monica and Culver City use 424 numbers for customer support, appointment scheduling, delivery coordination and outbound sales. Local numbers deliver stronger answer rates than toll-free or out-of-area codes because they signal proximity and community presence. Industries ranging from hospitality and tourism to film production and professional services rely on recognizable West LA numbers to build customer trust and drive conversions.

FoneSwift displays live 424 inventory with full Voice, SMS and MMS capabilities. Availability fluctuates as demand for West LA numbers remains strong. If a specific 424 number is unavailable, the overlay partner 310 offers identical geographic coverage. Both codes work seamlessly together. Filter by capabilities, preview formatting options and purchase instantly through the search tool above.

When publishing your 424 number, display it in both local format (424) 555-1234 and international E.164 format +1 424 555 1234 for clarity. Register business messaging traffic for A2P compliance if you plan SMS campaigns. Porting is supported for geographic numbers when carriers permit transfer. Many West LA businesses maintain consistent numbers to preserve brand recognition and customer familiarity across campaigns.


CountryUnited States
StateCalifornia
Area code424
Primary citiesSanta Monica, Beverly Hills, Culver City, Malibu, Torrance
Counties servedLos Angeles
TimezoneAmerica/Los Angeles (PST/PDT)
CreatedJuly 26, 2006
International Format+1 424 XXX XXXX
Local Format(424) XXX-XXXX

10-digit dialing is mandatory for all calls within and into the 424 region due to the overlay with 310. Register A2P messaging for business SMS to comply with US carrier rules (10DLC).


Area code 424 uses Pacific Standard Time (PST, UTC-8) and observes Daylight Saving Time, shifting to Pacific Daylight Time (PDT, UTC-7) from March through November.


Local numbers build trust and improve answer rates for West LA audiences. If needed, consider the overlay partner 310 for additional inventory while maintaining identical geographic coverage.

Quick Facts about 424 Area Code

Interesting tidbits about this area code 424

Overlay with 310

Area code 424 was California's first overlay, introduced in 2006 to extend numbering capacity for the existing 310 region without splitting communities.

Delayed seven years

Originally planned for 1999, the 424 overlay faced protests over 10-digit dialing requirements and was delayed until 2006 after the California Consumer Area Code Relief Act.

Island coverage

The 424 area code includes Santa Catalina Island, a resort destination 26 miles offshore, making it one of the few area codes that serve both mainland and island communities.

Entertainment hub

Culver City and Santa Monica host major studios like Sony Pictures, Hulu and Snap Inc., driving high demand for local business numbers in the 424 region.

Aerospace corridor

El Segundo and Hawthorne within the 424 region are home to aerospace companies including SpaceX, creating robust B2B communication needs for local phone infrastructure.

Tech and startup scene

Santa Monica's Silicon Beach tech cluster includes startups and established firms using 424 numbers for customer service, investor relations and recruiting across global markets.

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How Does Local 424 Phone Numbers Work?

A local business number is a structured telephone identifier that tells networks where to route calls and messages. When you use a 424 number in Santa Monica and California, the digits signal the international gateway, the geographic region, the local exchange and the specific subscriber, so calls reach the right destination quickly and reliably.

The typical parts of a United States local number are:

  • Country code (+1): identifies United States for international routing.
  • Area code (424): directs the call to the Santa Monica / California region.
  • Central office / exchange (eg. 555): narrows the call to a local switching area or rate center.
  • Subscriber number (eg. 1234): the unique line assigned to a person, extension, or device.

Example formats:

International Format (E.164)+1 424 555 1234
Local Format (National)(424) 555-1234

Quick Dialing Guide

The correct formats to reach 424 numbers locally and globally.

From Landlines

Standard United States Format

Use for domestic long-distance calls within United States.

From Mobile

E.164 International

The universal format. Works on any mobile device, anywhere.

International

From abroad

Dialing from outside United States (exit code 00 varies by country).


With FoneSwift, your 424 number can be instantly configured through our intuitive dashboard. Connect it to call forwarding rules, AI voice agents, IVR menus, or route calls directly to any device. Enable voice, SMS, and MMS capabilities right from your account, no technical setup required. Your number becomes active immediately after purchase, and you can update routing, business hours, and integrations anytime.

For businesses, local numbers offer clear benefits: higher answer rates, stronger local recognition, and better performance for local campaigns and customer trust. Typical business features include call forwarding, call recording, auto-attendants, voicemail-to-email, and multi-device ringing.

Important operational notes:

  • SMS & A2P: If you plan to send application-to-person messages from a 424 number, register your traffic where required and follow carrier rules (10DLC/A2P) to avoid deliverability or throughput issues.
  • Number Porting: Bring your existing 424number to FoneSwift seamlessly. Our team handles the entire porting process, simply submit your number details and we'll coordinate with your current provider. Porting typically completes within 5-10 business days, and you'll receive updates at each step. There's no service interruption during the transfer.
  • Display & formatting: Always publish numbers in both local and E.164 formats so international and mobile users can easily dial.

Ready to get started? Browse available 424 numbers in the phone numbers section above, you'll see real-time availability and can filter by features like voice, SMS, and MMS. Once you find your perfect number, purchase it in seconds and start making calls immediately. Our team is here to help you choose the right setup for your business needs, whether you're setting up AI receptionists, call forwarding, or SMS campaigns. Start your 14-day free trial today, no credit card required.

How to Get a 424 Phone Number

Buying a local 424 phone number using FoneSwift is easy and takes just a few minutes. Follow these simple steps to get your local 424 phone number and start connecting with customers in United States today.

1

Create a new account on FoneSwift or sign in to your existing account to get started.

2

Once logged in, you'll be taken to your FoneSwift dashboard where you can manage all your phone numbers and settings.

3

Click on Settings in the sidebar, then go to "My Numbers" and click the "Add a Number" button.

4

Choose United States as your country from the dropdown menu.

5

Select Local as the type of number, then choose the 424 area code from the available options.

6

Click the "Search" button to see all available phone numbers with the selected area code.

7

Browse through the available numbers, select one that fits your needs, click "Buy Number", and confirm your purchase.

8

Your number is now active! Start making and receiving calls from the FoneSwift Dialer immediately.

9

You can configure your number to handle calls, forward calls, or even create an AI voice agent to handle the calls for you.

Businesses Using 424 Phone Numbers

West Los Angeles and the South Bay support entertainment, technology, healthcare, hospitality and professional services. Local phone numbers help businesses connect with affluent consumer and B2B audiences.

Entertainment & media production

Studios, production companies and talent agencies in Culver City and West LA use local numbers for casting calls, client coordination and vendor management.

Technology & startups

Silicon Beach tech firms and SaaS companies rely on 424 numbers for customer support, sales outreach and investor communications, leveraging local credibility.

Hospitality & tourism

Hotels, restaurants, tour operators and beach service providers use local numbers for reservations, concierge services and customer inquiries across Malibu, Santa Monica and Manhattan Beach.

Healthcare & wellness

Medical practices, telehealth providers and wellness clinics use 424 numbers for appointment reminders, patient intake and secure messaging in compliance with HIPAA workflows.

Professional services

Law firms, financial advisors, consultants and real estate agencies in Beverly Hills and Brentwood use local numbers to signal regional expertise and accessibility.

Retail & e-commerce

Luxury retailers, boutiques and e-commerce fulfillment operations use 424 numbers for customer service, order tracking and personalized shopping assistance throughout the South Bay.

Why Choose 424 Local Phone Number for Your Business?

Discover the advantages of having a local phone number that builds trust, increases engagement, and drives results.

Local Trust
A local phone number signals a nearby presence. Customers are more likely to answer and convert when they see a familiar code on caller ID.
Local Presence
Appear local in business listings and directories; a regional number increases relevance and attracts more nearby customers.
Higher Answer Rates
Local phone numbers generally receive higher answer and callback rates than toll-free lines, helping you connect with leads faster.
Two-Way SMS
Send and receive SMS/MMS using a regional number for appointment reminders, promotions, and customer support—improving engagement and delivery.
Campaign Tracking
Assign local numbers to specific campaigns or locations to track call sources, measure ROI, and optimize marketing by region.
Smart Routing
Leverage call routing, recording and analytics on local numbers to optimize staffing, monitor quality, and comply with regional telecom rules.

Nearby Area Codes

Explore other area codes in the same region to expand your local presence.

Frequently Asked Questions

What cities use the 424 area code?

The 424 area code covers Santa Monica, Beverly Hills, Malibu, Culver City, Torrance, Redondo Beach, Manhattan Beach, Hermosa Beach, Inglewood, El Segundo and Santa Catalina Island in West Los Angeles and the South Bay.

When was the 424 area code created?

Area code 424 was introduced on July 26, 2006 as an overlay to the existing 310 area code, making it California's first overlay implementation.

Can I get SMS-capable numbers in area code 424?

Yes, FoneSwift lists live availability for 424 numbers that support Voice and SMS (availability depends on current inventory). Use the number search on this page to see real-time capabilities.

Do I need to dial 10 digits for 424 numbers?

Yes. Because 424 is an overlay for 310, 10-digit dialing (area code plus seven-digit number) is required for all local calls within the region, even if both numbers share the same area code.

Is 424 a toll-free code?

No, 424 is a geographic (local) area code for West Los Angeles. For nationwide reach you could use toll-free numbers, but local area codes tend to perform better for building regional trust.

How do I buy a 424 local phone number?

Search for 424 numbers in the availability widget above, choose capabilities (Voice/SMS/MMS), then complete checkout. You can configure routing, IVR and integrations immediately after purchase.

How can I port my existing number into FoneSwift?

Porting depends on your current carrier: if the number is geographically portable and both carriers support the transfer, we coordinate the port. Typical port times are 5 to 10 business days. Start a port request from your FoneSwift dashboard.

Where can I find official coverage or history for 424?

Authoritative sources include the North American Numbering Plan Administrator (NANPA) and the 424 area code Wikipedia page for history and service-area boundaries.
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