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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Looking to buy a California phone number for your startup? With the wide range of local California phone numbers, this guide will explain how to choose.

???? Introduction to California Area Codes

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

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

???? California Area Code List

Here's a list of popular 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

????️ California Area Codes Map

This image shows how area codes are spread out in California. Major metro areas usually have overlays due to high population density.

???? Total Number of Area Codes in California

More than 35 unique area codes serve California, and new ones are added frequently.

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

With increasing demand for mobile and virtual numbers, overlays are introduced. New area codes in California in 2025 especially in dense areas like Inland Empire.

???? Popular Area Codes for California Businesses

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

• 213 – Professional LA presence
• 310/424 – Modern clientele
• 916 – State agencies in Sacramento
• 323 – Creative industries in Hollywood

???? Toll-Free vs Local California Number

• Toll-free numbers offer national credibility, but may feel less personal.
• Local numbers build trust with locals and increase conversion rates.

???? What Is a California VoIP Number?

A VoIP number lets you make California VoIP number calls over the internet with a California area code. It's perfect for online businesses.

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

Benefits of a virtual California number for business include:

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

????️ Owning or Renting a California Virtual Number

You can buy a California business number depending on your need. Monthly rental is flexible while ownership is long-term.

✅ How to Get a California Area Code Number

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

???? California Area Code Lookup

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

???? California Phone Number for Verification

Many apps ask for a California phone number for verification. Just make sure your VoIP number can receive verification codes.

???? California DID Number

A DID number allows direct routing to internal systems. A DID in California is great for PBX and scalable communication.

???? Text-Enabled California VoIP Numbers

Stay connected by using a California VoIP phone number with texting. Perfect 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 scalable and works for any company. Whether you use a 916 area code or 323, cloud calling offers advanced routing, tracking, and integrations.

???? Difference Between 310 and 424

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

???? Benefits of 323 Area Code for Business

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

???? History of California Area Codes

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

???? Changes in California Area Codes

As usage skyrocketed, 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 rent a California VoIP number quickly. Use a trusted provider like Bling Cloud to get connected today.