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 get a California phone number for your business? With the extensive range of local California phone numbers, this guide will walk you through everything you need to know.

???? Introduction to California Area Codes

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

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

???? Top California Area Codes

Here's a list of business-friendly 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 usually have overlays due to high population density.

???? Total Number of Area Codes in California

California has over 35 area codes, and new ones are added as needed.

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

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

???? Best Business Area Codes in California

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

• 213 – Trusted LA presence
• 310/424 – Tech-savvy 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.

???? Understanding VoIP Numbers in California

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

???? 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 VoIP number depending on your need. Monthly rental check here is affordable while ownership is long-term.

✅ Steps to Get a California Local Number

1. Choose a desired area code (e.g., 213, 310, 415).
2. Sign up with a VoIP service covering California.
3. Create your account, verify, and select 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.

???? California Phone Number for Verification

Many apps ask for a California phone number for verification. Just make sure your VoIP number supports SMS.

???? California DID Number

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

???? VoIP Number with Texting in California

Stay connected by using a California VoIP phone number with texting. Perfect for reminders, follow-ups, and promotions.

???? Best Virtual Number Provider for 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.

???? 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.

???? Benefits of 323 Area Code for Business

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

???? 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.

???? Changes in California Area Codes

As usage skyrocketed, 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 VoIP number quickly. Use a trusted provider like Bling Cloud to get started.