Everything You Need to Know About California Area Codes and VoIP Numbers

Everything You Need to Know About California Area Codes and VoIP Numbers

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get a guide to buy a California phone number for your business? With the wide range of California area codes, this guide will help you understand how to choose.

???? Introduction to California Area Codes

A California area code is a three-digit prefix assigned to a specific region. From Silicon Valley to the Central Coast, each area code represents a locale within the state.

Back in 1947, California has experienced massive growth, causing the introduction of dozens of new area codes.

???? Top California Area Codes

Here's a list of well-known local numbers in California:

• 209 – Stockton, Modesto, Merced, Tracy, Turlock
• 213 – Downtown Los Angeles, Alhambra, Beverly Hills
• 279 – Sacramento, Elk Grove, Roseville
• 310 – West Los Angeles, Beverly Hills, Santa Monica
• 323 – Central Los Angeles, Hollywood, Montebello
• 341 – Oakland, Berkeley, Hayward
• 408 – San Jose, Cupertino, Santa Clara
• 415 – San Francisco, Marin County, San Rafael
• 424 – Overlay for 310; covers West Los Angeles, Santa Monica
• 442 – Overlay for 760; covers Oceanside, Victorville, Palm Springs
• 510 – Oakland, Fremont, Berkeley
• 530 – Chico, Redding, Davis
• 559 – Fresno, Visalia, Clovis
• 562 – Long Beach, Whittier, Norwalk
• 619 – San Diego, Chula Vista, National City
• 626 – Pasadena, El Monte, Arcadia
• 628 – Overlay for 415; covers San Francisco, Marin County
• 650 – San Mateo, Palo Alto, Redwood City
• 657 – Overlay for 714; covers Anaheim, Santa Ana, Huntington Beach
• 661 – Bakersfield, Santa Clarita, Lancaster
• 669 – Overlay for 408; covers San Jose, Sunnyvale, Santa Clara
• 707 – Santa Rosa, Vallejo, Napa
• 714 – Anaheim, Santa Ana, Huntington Beach
• 747 – Overlay for 818; covers San Fernando Valley, Burbank, Glendale
• 760 – Oceanside, Victorville, Palm Springs
• 805 – Ventura, Santa Barbara, San Luis Obispo
• 818 – San Fernando Valley, Burbank, Glendale
• 820 – Overlay for 805; covers Ventura, Santa Barbara, San Luis Obispo
• 831 – Salinas, Santa Cruz, Monterey
• 840 – Overlay for 909; covers San Bernardino, Ontario, Pomona
• 858 – San Diego (northern areas), La Jolla, Del Mar
• 909 – San Bernardino, Ontario, Pomona
• 916 – Sacramento, Elk Grove, Roseville
• 925 – Concord, Walnut Creek, Pleasanton
• 949 – Irvine, Newport Beach, Mission Viejo
• 951 – Riverside, Moreno Valley, Temecula

????️ Map of Area Codes in California

This image shows how area codes are spread out in California. Major metro areas often share multiple codes due to high population density.

???? Total Number of Area Codes in California

California has over 35 area codes, and new ones are added due to demand.

???? New Area Codes in California (2025)

With increasing demand for mobile and virtual numbers, overlays are introduced. 2025 brings fresh overlays and new codes especially in dense areas like LA.

???? Popular Area Codes for California Businesses

If you're choosing a California business phone number, here’s what different codes represent:

• 213 – Downtown LA presence
• 310/424 – Tech-savvy clientele
• 916 – State agencies in Sacramento
• 323 – Media companies in Hollywood

???? Toll-Free vs Local California Number

• Toll-free numbers offer national credibility, but may lack local identity.
• Local numbers build trust with locals and increase conversion rates.

???? What Is a California VoIP Number?

A VoIP number lets you use cloud-based calling with a California area code. It's perfect for online businesses.

???? Why Use a Virtual California Phone Number?

Benefits of a VoIP business line include:

• Local presence
• Remote operation
• Advanced call features
• Customer trust

????️ Buy or Rent a California Phone Number

You can acquire a California VoIP number depending on your need. Monthly rental is flexible while ownership offers full control.

✅ Steps to Get a California Local Number

1. Pick a desired area code (e.g., 213, 310, 415).
2. Sign up with a virtual number provider covering California.
3. Register, complete verification, and select your number.
4. Set up routing, voicemail, and SMS features.

???? Looking Up California Area Codes

Curious about area code locations? Use a free online lookup tool or telecom directory.

???? Use VoIP for Account Verification

Platforms often require a California phone number for verification. Just make sure your VoIP number supports SMS.

???? What is a California DID Number?

A DID number allows direct routing to internal systems. A DID in California is great for advanced VoIP setups and corporate systems.

???? VoIP Number with Texting in California

Communicate better by using a California VoIP phone number with texting. Perfect check here for reminders, follow-ups, and promotions.

???? Top VoIP Provider in California

Choose a provider that offers:

• Multiple area code options
• Affordable plans
• Text + call features
• AI integrations (like Bling Cloud)

???? California Cloud Phone System

A California cloud phone system is powerful and works for any company. Whether you use a 916 area code or 323, cloud calling offers advanced routing, tracking, and integrations.

???? 310 vs 424 Area Code

Both serve the same region. 310 is the original, while 424 is the overlay. Some prefer 310 for prestige, while 424 is more available.

???? Using a 323 Number for Business

A 323 number works great for creative sectors like media in LA. It’s iconic and urban.

???? How Area Codes Developed in California

California began with 213, 415, and 916. Since then, splits and overlays have reshaped the system to match demand.

???? Evolution of California’s Area Code System

As usage increased, overlays like 424, 747, and 628 were introduced. These changes help manage load and enable more options for users.

???? Final Thoughts

Whether you're launching a startup or need a number for verification, you can get a California virtual phone number quickly. Use a trusted provider like Bling Cloud to get started.