Find Out Who Called You Using California Reverse Phone Lookup
Check who owns any California phone number because scammers hijack 213 and 310 Los Angeles codes for fake IRS and Social Security arrest warnings, while 408 and 669 San Jose codes are heavily targeted by iCloud breach calls and PG&E shutoff threats. In San Francisco, 415 numbers are used for Cash App robocalls and Blue Shield child info phishing, while 619 San Diego numbers see fake arrest threats and food stamp impersonation calls.
Federal Data
State Data
County Data
City Data
Los Angeles Metro Phone Numbers
Los Angeles Phone Number Lookup (213/323/738)
Central Los Angeles's 213 reverse phone lookup covers South Gate, Florence-Graham, Montebello, Huntington Park, and Monterey Park. The code is seeing explicit FaceTime harassment and CoinCircle cryptocurrency investment texts promising impossible daily returns. Users of the 323 phone number lookup have flagged frequent fake bank overpayment refund traps and highly aggressive home improvement telemarketing across the overlay. Overlay activity from the same spam network is being reported by 738 area code lookup users across the region.
Bakersfield Phone Number Lookup (661)
Central California's 661 area code lookup covers Palmdale, Delano, Bakersfield, Santa Clarita, and Lancaster. The code is surfacing early-morning Bud Light car decal job texts bouncing fake checks and LADWP same-day shutoff threats demanding immediate Zelle payments.
Los Angeles & Torrance (310/424)
Trident Everson fake debt lawsuits and remote access tech support auto-renewal threats are hitting Compton, Santa Monica, Carson, Inglewood, Hawthorne, Redondo Beach, Lynwood, Los Angeles, and Torrance. Users of the 310 reverse phone lookup have flagged both scams across the Westside and South Bay. "Nick Johnson" IRS Fresh Start scams and Universal Printing toner invoicing fraud have been traced to the same region in the 424 area code lookup.
Los Angeles, Glendale & Burbank (747/818)
The "You won the mall raffle" timeshare trap and deliberately vague voicemail bait designed to bypass call screening are hitting San Fernando, Calabasas, Los Angeles, Glendale, and Burbank. Users of the 818 reverse phone lookup have flagged both scams across the San Fernando Valley. CJNG Cartel violence extortion and Spectrum equipment upgrade fraud have been traced to the same region in the 747 area code phone lookup.
Long Beach, Downey & Norwalk (562)
Southeastern Los Angeles County's 562 area code lookup covers Whittier, Lakewood, Bellflower, Pico Rivera, South Whittier, Paramount, Long Beach, Downey, and Norwalk. The code is seeing a high volume of Molina Health and EDD disability fraud and "Jenna" court document delivery schemes, where callers threaten fake California disability filings or court documents to bully residents into handing over their Social Security numbers.
Pasadena, El Monte & West Covina (626)
"Comparative Business Solutions" physical threats and SSA state courthouse robocalls are hitting Alhambra, Baldwin Park, Arcadia, Rosemead, Glendora, Hacienda Heights, Pasadena, El Monte, and West Covina. Fraudsters threaten to come to your home over IT services or panic you into paying to avoid a magistrate judge. Both scams are being reported by 626 phone number lookup users across the San Gabriel Valley.
Oxnard, Simi Valley & Thousand Oaks (805/820)
Facebook "refund" scams demanding Google Play cards and phantom medical lab debt collections are hitting Santa Maria, Santa Barbara, Camarillo, Oxnard, Simi Valley, and Thousand Oaks. Users of the 805 phone number lookup have flagged both scams across the Central Coast. Fake health insurance open enrollment extensions and relentless political surveys mining personal data have been traced to the same region in the 820 area code lookup.
Bay Area Phone Numbers
San Jose Phone Number Lookup (408/669)
Relentless iCloud breach bombardments and PG&E "slotted for closure" utility threats are hitting Milpitas, Cupertino, San Jose, Sunnyvale, and Santa Clara. Users of the 408 reverse phone lookup have flagged both scams across the South Bay. "Russian hackers" Apple gift card scams and YouTube video blackmail texts threatening to ruin reputations unless Bitcoin is sent have been traced to the same region in the 669 area code lookup.
San Francisco Phone Number Lookup (415/628)
Cash App "data bridge" robocalls and highly targeted Blue Shield minor child info phishing are hitting San Rafael, Novato, Daly City, Mill Valley, and San Francisco. Users of the 415 area code phone lookup have flagged both scams across the Peninsula and Marin County. Zoomcare medical billing texts and Sequium Asset Solutions workplace harassment have been traced to the same region in the 628 phone number lookup.
Oakland, Fremont & Hayward (341/510)
The "Kenyon Hall" law firm harassment campaign and Kaiser Permanente voice spoofing are hitting Berkeley, Richmond, San Leandro, Alameda, Union City, Castro Valley, Oakland, Fremont, and Hayward. Both scams are being reported by 510 phone number lookup users across the East Bay. Unsolicited political opinion surveys and silent voicemails used to confirm active numbers for future fraud have been traced to the same region in the 341 area code phone lookup.
Daly City (650)
San Francisco Peninsula's 650 reverse phone lookup covers San Mateo, Daly City, Redwood City, Mountain View, South San Francisco, and Palo Alto. The code is heavily used for Facebook and Google micro-charge card testing and "Dr. Beth Moore" COVID test texts, where scammers test stolen credit cards with tiny charges or text fake medical debt links to install malware.
Santa Rosa, Vallejo & Fairfield (369/707)
North Bay's 707 area code lookup covers Vacaville, Napa, Petaluma, Santa Rosa, Vallejo, and Fairfield. The code is seeing a spike in "Erica" affordable health insurance harassment and fake tech support refunds, with scammers calling repeatedly demanding your SSN for healthcare or attempting to remote into your PC via a fake Dell refund link. Deeply personal stalker and intimidation threats and aggressive "Grinch Department" grant scams have been traced to the same region in the 369 phone number lookup.
Concord & Antioch (925)
Inland East Bay's 925 area code phone lookup covers Livermore, San Ramon, Pleasanton, Walnut Creek, Pittsburg, Brentwood, Concord, and Antioch. The code is surfacing vulgar "old friend" text impersonators who hurl abuse when caught and PG&E imposters offering free A/C tune-ups to case your house.
San Diego & Southern California Phone Numbers
San Diego Phone Number Lookup (619/858)
"Press 5" name verification robocalls and Officer Dennis Grey arrest threats designed to steal Social Security numbers are hitting El Cajon, National City, La Mesa, Santee, Chula Vista, and San Diego. Users of the 619 area code lookup have flagged both scams across the San Diego metro. Food stamp impersonators and automated threats to delete your Google Business Listing have been traced to the same region in the 858 reverse phone lookup.
Anaheim, Santa Ana & Huntington Beach (657/714)
JCPenney decade-old debt arrest threats and "Kurt - Real Deal" business phishing are hitting Garden Grove, Orange, Fullerton, Westminster, Buena Park, Costa Mesa, Anaheim, Santa Ana, and Huntington Beach. Users of the 714 phone number lookup have flagged both scams across northern Orange County. Early-morning fake tech support invoices and AT&T "accidental overcharge" refund links have been traced to the same region in the 657 area code lookup.
Oceanside, Escondido & Victorville (442/760)
Fake online medical debt claims and tech support internet disconnection threats are hitting Carlsbad, Vista, Hesperia, San Marcos, Indio, Apple Valley, Oceanside, Escondido, and Victorville. Users of the 760 reverse phone lookup have flagged both scams across southeastern California. Edison Zelle payment shutoff threats and AOL compromised account robocalls have been traced to the same region in the 442 area code lookup.
Irvine (949)
Southern Orange County's 949 reverse phone lookup covers Mission Viejo, Newport Beach, Lake Forest, San Clemente, Laguna Niguel, Costa Mesa, and Irvine. The code is surfacing "Jennifer" unsolicited business lines of credit and "Barbara from Fresh Start" making dozens of calls a day about IRS tax debts.
San Bernardino, Fontana & Rancho Cucamonga (840/909)
Aggressive "TC&G Associates" process servers and fake "MICROSOFT TECH" agents holding computers hostage for gift cards are hitting Ontario, Pomona, Rialto, Chino, Upland, Chino Hills, San Bernardino, Fontana, and Rancho Cucamonga. Both scams are being reported by 909 reverse phone lookup users across the Inland Empire, alongside the 840 area code lookup monitoring the newer overlay for spam activity in the same region.
Riverside, Moreno Valley & Corona (951)
Western Riverside County's 951 area code lookup covers Murrieta, Temecula, Hemet, Menifee, Perris, Lake Elsinore, Riverside, Moreno Valley, and Corona. The code is surfacing "JDM Consulting" threatening to serve papers within minutes and the "California Savings Center" aggressively pushing solar home improvements.
Central Valley & Northern California Phone Numbers
Sacramento Phone Number Lookup (279/916)
"Hicks Group" process servers threatening "evading services" charges and "Fake Police News" scammers selling fake law enforcement leads to real estate agents are hitting Arden-Arcade, Citrus Heights, Folsom, Rancho Cordova, Carmichael, Rocklin, Sacramento, Elk Grove, and Roseville. Both scams are being reported by 916 area code phone lookup users across the Sacramento Valley. The National Council of Patrolman fake charity and aggressive phantom payday loan collectors have been traced to the same region in the 279 phone number lookup.
Stockton & Modesto (209/350)
San Joaquin Valley's 209 phone number lookup covers Tracy, Merced, Turlock, Manteca, Lodi, Stockton, and Modesto alongside the 350 area code lookup overlay. The 209 code is commonly used for fake PG&E solar shutoff threats and automated real estate texts attempting to acquire property below market value, while 350 numbers are linked to spam originating from spoofed prefixes designed to hide their true identity during random number verification calls.
Fresno & Visalia (357/559)
Central San Joaquin Valley's 559 reverse phone lookup covers Clovis, Madera, Tulare, Porterville, Hanford, Fresno, and Visalia alongside the 357 area code lookup overlay. The 559 code is flooding with "Patient Advocate" Medicare cancer test calls and Creditors Bureau USA abuse, with scammers claiming you will lose coverage if you do not comply, while 357 numbers are associated with the same spam network operating across the overlay region.
Redding (530/837)
$299 Windows Defender auto-renew invoices and fake process server HR threats are hitting Chico, Davis, Yuba City, Woodland, and Redding. Users of the 530 phone number lookup have flagged both scams across northern California. Highly aggressive robocallers trying to switch your electric company, calling up to 14 times a week, have been traced to the same region in the 837 area code phone lookup.
Salinas (831)
Monterey Bay's 831 phone number lookup covers Salinas, Santa Cruz, Watsonville, Hollister, and Seaside. The code is surfacing bizarre New Zealand Economic Development phishing calls and PG&E rebate solar scams designed to switch your energy provider without permission.
Most Reported Spam Numbers in California
In 2024, California residents filed 287,916 unwanted call complaints with the FTC, of which 161,548 were robocalls and 98,127 involved live callers.
The most reported complaint topics were imposters (27,125), reducing debt (20,756), medical and prescriptions (13,374).
Phone numbers reported as unwanted calls to the FTC by local residents in the last 30 days:
Phone Number
Complaints
Last Reported
(855) 357-2205
97
(321) 499-1777
46
(309) 301-1878
43
(866) 771-6698
43
(217) 394-8789
40
(217) 834-9230
40
(321) 499-1628
38
(877) 961-0995
36
(217) 834-9414
35
(217) 834-9346
34
To help authorities track criminals, you should report any fraudulent calls to:
California Department of Consumer Affairs:(800) 952-5210
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
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.
