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 vast range of local California phone numbers, this guide will explain what to expect.

???? What Are California Area Codes?

A local California phone number is a three-digit prefix assigned to a specific region. From Los Angeles to San Diego, each area code represents a locale within the state.

Since 1947, California has seen massive growth, causing the introduction of dozens of new area codes.

???? California Area Code List

Here's a list of business-friendly California area codes:

• 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 VoIP numbers, overlays are introduced. New area codes in California in 2025 especially in dense areas like LA.

???? Best Business Area Codes in California

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

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

???? Which Is Better: Toll-Free or Local 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 calls over the internet with a California area code. It's ideal for remote teams.

???? Virtual California Number for Business

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 rent a California business number depending on your need. Monthly rental is affordable while ownership is long-term.

✅ Steps to Get a California Local Number

1. Pick a desired area code (e.g., 213, 310, 415).
2. Find a VoIP service covering California.
3. Create your account, verify, and activate your number.
4. Configure 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 valid California number. Just make sure your VoIP number can receive verification codes.

???? What is a California DID Number?

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

???? Text-Enabled California VoIP Numbers

Communicate better more info 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 modern 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. 310 is more established, while 424 is more available.

???? Using a 323 Number for Business

A 323 number works great for creative sectors like entertainment in LA. It adds a cultural edge.

???? 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 increased, overlays like 424, 747, and 628 were introduced. They prevent shortages and enable more options for users.

???? Conclusion

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