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

Looking to get a California phone number for your startup? With the vast range of California area codes, this guide will walk you through everything you need to know.

???? What Are California Area Codes?

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

California area codes map

This image shows California’s area code distribution. 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. New area codes in California in 2025 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 – Professional LA presence
  • 310/424 – Tech-savvy clientele
  • 916 – Government in Sacramento
  • 323 – Media companies in Hollywood

???? Toll-Free vs Local California Number

  • Toll-free numbers offer nationwide reach, 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 use cloud-based calling with a California area code. It's ideal for digital-first companies.

???? 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 rent a California VoIP number depending on your need. Monthly rental 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. Register, complete verification, and activate your number.
  4. Set up routing, voicemail, and SMS features.

???? California Area Code Lookup

Need to know where an area code is used? Use a free online lookup tool or telecom directory.

???? California Phone Number for Verification

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

???? 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.

???? Text-Enabled California VoIP Numbers

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)

???? Cloud-Based Phone Solutions in California

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 AI assistance.

???? 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 film 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 reshaped the system to match demand.

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

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 buy California area code a California virtual phone number quickly. Use a trusted provider like Bling Cloud to get started.

Local phone numbers by state