Phone Number Lookup by California Area Code
California has more than 40 area codes. Los Angeles uses:
- 213, 323, and 738 in the central city
- 310/424 on the Westside
- 818/747 in the San Fernando Valley
Elsewhere, San Francisco uses 415/628, San Jose 408/669, Oakland 510/341, San Diego 619/858, and Sacramento 916/279.
- 209 Phone Number Lookup: Stockton, Modesto, Tracy
- 213 Phone Number Lookup: Los Angeles, East Los Angeles, Inglewood, South Gate
- 279 Phone Number Lookup: Sacramento, Elk Grove, Roseville
- 310 Phone Number Lookup: Los Angeles, Torrance, Inglewood, Compton
- 323 Phone Number Lookup: Los Angeles, East Los Angeles, Inglewood, South Gate
- 341 Phone Number Lookup: Oakland, Fremont, Hayward, Berkeley, Richmond
- 350 Phone Number Lookup: Stockton, Modesto, Tracy
- 357 Phone Number Lookup:
- 369 Phone Number Lookup: Santa Rosa, Vallejo, Fairfield
- 408 Phone Number Lookup: San Jose, Sunnyvale, Santa Clara
- 415 Phone Number Lookup: San Francisco, Daly City, San Rafael, Novato
- 424 Phone Number Lookup: Los Angeles, Torrance, Inglewood, Compton
- 442 Phone Number Lookup: Oceanside, Escondido, Victorville, Carlsbad
- 510 Phone Number Lookup: Oakland, Fremont, Hayward, Berkeley, Richmond
- 530 Phone Number Lookup: Redding, Chico, Davis
- 559 Phone Number Lookup: Fresno, Visalia, Clovis
- 562 Phone Number Lookup: Long Beach, Downey, Norwalk
- 619 Phone Number Lookup: San Diego, Chula Vista, El Cajon
- 626 Phone Number Lookup: Pasadena, El Monte, West Covina
- 628 Phone Number Lookup: San Francisco, Daly City, San Rafael, Novato
- 650 Phone Number Lookup: Daly City, San Mateo, Redwood City
- 657 Phone Number Lookup: Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Orange, Fullerton, Costa Mesa
- 661 Phone Number Lookup: Bakersfield, Santa Clarita, Lancaster, Palmdale
- 669 Phone Number Lookup: San Jose, Sunnyvale, Santa Clara
- 707 Phone Number Lookup: Santa Rosa, Vallejo, Fairfield
- 714 Phone Number Lookup: Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove, Orange, Fullerton, Costa Mesa
- 738 Phone Number Lookup:
- 747 Phone Number Lookup: Los Angeles, Glendale, Pasadena, Burbank
- 760 Phone Number Lookup: Oceanside, Escondido, Victorville, Carlsbad
- 805 Phone Number Lookup: Oxnard, Thousand Oaks, Simi Valley
- 818 Phone Number Lookup: Los Angeles, Glendale, Pasadena, Burbank
- 820 Phone Number Lookup: Oxnard, Thousand Oaks, Simi Valley
- 831 Phone Number Lookup: Salinas, Santa Cruz, Watsonville
- 837 Phone Number Lookup:
- 840 Phone Number Lookup: San Bernardino, Fontana, Rancho Cucamonga, Ontario, Pomona
- 858 Phone Number Lookup: San Diego, Chula Vista, El Cajon
- 909 Phone Number Lookup: San Bernardino, Fontana, Rancho Cucamonga, Ontario, Pomona
- 916 Phone Number Lookup: Sacramento, Elk Grove, Roseville
- 925 Phone Number Lookup: Concord, Antioch, Livermore
- 949 Phone Number Lookup: Irvine, Costa Mesa, Mission Viejo, Newport Beach
- 951 Phone Number Lookup: Riverside, Moreno Valley, Corona, Murrieta, Temecula
California has approximately 57.9 million active phone numbers. Cell phones are the dominant service with 48.7 million users, while traditional landlines are declining with 1.6 million connections statewide. Internet phone services account for about 7.5 million numbers.
California Phone Numbers Reported to the FTC
In September 2026, California residents filed 25,650 complaints to the FTC about phone numbers making unwanted calls and text messages, up 12% from the previous month.
California phone numbers recently reported for making unwanted sales calls or robocalls:
| Phone Number | FTC Complaints | Last Reported |
|---|---|---|
| (562) 745-6830 | ||
| (369) 216-6437 | ||
| (562) 574-3803 | ||
| (213) 246-3439 | ||
| (925) 693-4915 | ||
| (818) 917-8252 | ||
| (916) 558-1700 | ||
| (562) 745-6830 | ||
| (916) 740-1913 | ||
| (916) 282-5281 |
Look Up All Numbers to Avoid Common Phone Scams in California
- Chinese Consulate Mandarin Robocalls: Relentless robocalls in Mandarin spoofing the Chinese Consulate in LA/SF or DHL, claiming visas are expiring or packages are undeliverable to extort the Chinese-American community.
- LADWP, PG&E, & SMUD Disconnection: Fake utility calls claiming a technician is en route to shut off power in 15-30 minutes, demanding payments like a $499 'smart meter security deposit' via Zelle.
- Blue Shield Child Info Phishing: Automated calls claiming to be Blue Shield with 'pertinent information' about a minor child (often knowing the child's name), attempting to extract the child's birthdate.
- Crypto Investment Texts: Unsolicited texts from 'Nick Nave' or 'Rafael Cox' promoting apps like 'CoinCircle', promising 8% APY or $200 daily returns on Bitcoin or Ethereum.
- The FaceTime Flasher: Disturbing late-night harassment (midnight to 4 AM) where unknown callers initiate FaceTime video calls and engage in indecent exposure.
- Real Estate Spam ('Alice' & 'Simply Sell'): Relentless texting campaigns from 'Alice' or 'Simply Sell' targeting 916 and 209 area code homeowners for lowball cash property sales.
- California Department of Consumer Affairs: (800) 952-5210
Browse California Phone Directories by City
Look up phone numbers and browse the phone directory for the largest cities in California.
- Los Angeles Phone Lookup & Directory
- San Diego Phone Lookup & Directory
- San Jose Phone Lookup & Directory
- San Francisco Phone Lookup & Directory
- Fresno Phone Lookup & Directory
- Sacramento Phone Lookup & Directory
- Long Beach Phone Lookup & Directory
- Oakland Phone Lookup & Directory
- Bakersfield Phone Lookup & Directory
- Anaheim Phone Lookup & Directory
- Santa Ana Phone Lookup & Directory
- Riverside Phone Lookup & Directory
- Stockton Phone Lookup & Directory
- Irvine Phone Lookup & Directory
- Chula Vista Phone Lookup & Directory
- Fremont Phone Lookup & Directory
- San Bernardino Phone Lookup & Directory
- Modesto Phone Lookup & Directory
- Fontana Phone Lookup & Directory
- Santa Clarita Phone Lookup & Directory
- Moreno Valley Phone Lookup & Directory
- Oxnard Phone Lookup & Directory
- Huntington Beach Phone Lookup & Directory
- Glendale Phone Lookup & Directory
- Santa Rosa Phone Lookup & Directory
- Ontario Phone Lookup & Directory
- Rancho Cucamonga Phone Lookup & Directory
- Oceanside Phone Lookup & Directory
- Elk Grove Phone Lookup & Directory
- Garden Grove Phone Lookup & Directory
Official California Government Phone Directories
California State Agency Contact Information (CA.gov) and California Personnel Office Directory (State Controller's Office) list official numbers for California government offices, so you can confirm a caller is who they say they are.
California State Agency Contact Information (CA.gov)
The CA.gov Contact page doesn't list California phone numbers itself. It points you to the right place. "Find a department" opens the department directory, which has each department's contact information and the services it runs. There are also links for the Governor's Office and for looking up your state representatives.
If you're not sure which department a caller would actually belong to, match their issue to a service, then contact the department that runs it.
California Personnel Office Directory (State Controller's Office)
The State Controller's Office publishes the California Personnel Office Directory (CPOD), with phone numbers and emails for personnel contacts at California state departments, plus addresses and agency codes. California State University campuses have their own CSU tab. Boards without an HR office point elsewhere; the Arts Council goes to the Department of General Services.
Use it for payroll, employment verification and HR questions, including a call about your state job. For public service lines, use the CA.gov department directory.
Is Reverse Phone Lookup Legal in California?
Yes. California law does not prohibit residents from using reverse phone lookup services for personal use - but California has by far the most comprehensive privacy framework in the US, giving residents tools that simply don't exist in most other states. The Fair Credit Reporting Act (FCRA) prohibits using lookup results for employment screening, tenant decisions, or credit and insurance underwriting in every state. California's state law supplements these federal rules; it does not replace them.
What California's Privacy Laws Mean for Lookup Services
California operates under the California Consumer Privacy Act / California Privacy Rights Act (CCPA/CPRA), in effect since January 1, 2020, with major CPRA amendments from January 1, 2023. What sets California apart is the 2023 Delete Act (SB 362), which directed the California Privacy Protection Agency (CPPA) to build a centralized Delete Request and Opt-Out Platform (DROP). The DROP became available to consumers on January 1, 2026, and data brokers are required to begin processing DROP deletion requests starting August 1, 2026 (Cal. Civ. Code §§ 7610–7616). That means Californians can submit a single request to remove their phone number and personal data from every registered data broker at once - a capability no other state currently offers.
Beyond the DROP, CCPA/CPRA gives California residents the right to opt out of the sale or sharing of personal information (§ 1798.120), access and correct data held about them, request deletion, and receive a portable copy. The 45-day response window applies. Unlike most state laws, CCPA/CPRA covers employees and B2B contacts in addition to consumers, and there is no blanket small-business exemption. Enforcement sits with the dedicated CPPA, not just the Attorney General.
FAQs About Phone Number Search in California
How to opt out of phone number lookup services in California?
Under CCPA/CPRA, you can request removal of your phone number and personal details from reverse lookup services. Visit each site and click "Do Not Sell or Share My Personal Information" to submit a deletion request.
How do I know if a California business phone number is legit?
A reverse phone lookup can provide a business name, but that alone does not confirm legitimacy. While California has over 1,023,181 business establishments based on Census data, you should verify the company by searching for it in the California Business Search.
Why does California have so many VoIP phone numbers?
California has 7.5 million VoIP subscriptions, more than the total phone subscriptions in most states. Tech adoption and remote work explain part of this, though mobile numbers still dominate at 48.7 million. Traditional landlines represent only 1.6 million.
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