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California Phone Book & Reverse Phone Lookup

Search a phone number from California to find the owner's name, address, social media profiles, and more!

California Phone Book Details

  • Amount of Phone Number Lookups
    5,388,008
  • Mobile Carriers
    53
  • User Feedback
    89,243
  • Hall of Shame Members
    19,495
  • Zip Codes:
    6,317
  • Cities:
    126
  • Counties:
    27
  • Most Popular Carrier:
    PACIFIC BELL

California Area Code Phone Books

Hall of Shame: Reported Types of Spam &
Scam Calls in California

Our active community of CallerSmart users helps you find out about suspected California scam phone calls and other nuisance calls and texts.
Run a reverse phone lookup on any California phone number to see what others have reported about it in our phone book.

  • Scammer
    81
  • Spam Texter
    19

Trends in Spam & Scam Calls in California

Over the past year, spam calls in California decreased by 83.88%. The highest volume was recorded in June 2024, accounting for 51.2% of all calls, while the lowest was in November 2024 at just 0.06%.

Most Notorious Phone Scams in California

Our Hall of Shame highlights the phone numbers of the worst scammers and spammers in California. Below, you’ll find the worst offenders, according to our community of CallerSmart users, when it comes to California phone scams. These are the California phone numbers with the lowest Trust Factor ratings and the most negative feedback, so please beware!

916-800-1098

Landline

Call sounds like it's from prison, has called 3 times and it's the exact same message each time. Requesting money

bobbiejewell1 from Seattle, WA

Scammer
read more

628-202-5544

FCC Complaint: Text Message

Web User at 03:17pm on 05/01/23

Spam Texter
read more

510-644-2405

Landline

Called my business asking for owner's name, when they were denied that information they would not give up their information as to who or why they were calling. I searched their telephone number to a "sports publication" so I am just assuming they are trying to sell me add space.

assuredfireext66 from Modesto, CA

Asking For Money
read more

951-402-0372

Landline

FCC Complaint: Live Voice

Web User at 12:40pm on 05/12/25

Scammer
read more

How Scammers Connect: Types of Calls in California

The majority of unwanted calls are made using Prerecorded Voice, accounting for 54.66% of all reported calls in California. Live Voice calls follow behind at 31.2%, followed by Text Message with 13.77%, while Abandoned Calls account for 0.36%.

Scam Call Topics: Leading Fraud Schemes by Type in California

The most frequently reported types of spam calls in California are Auto Warranty calls, making up 15.36% of complaints, followed by Home Improvement calls at 7.69%, Solar Panels calls at 4.35%, Health Insurance calls at 4.23%, while Mortgage Loans calls make up 3.85%. Various other topics make up 64.48% of the total unwanted calls.

Scam Call Hotspots: Cities in California with the Most Fraudulent Calls

In California, the cities with the highest percentage of unwanted calls is San Diego with 7.85% of the annoying calls, followed by Los Angeles with 5.36%, San Francisco with 3.93%, Sacramento with 1.86%, and San Jose rounds out the list with 2.63%. The remaining 78.37% of junk calls are distributed across other cities in California.

California Phone Books by City

Recent Activity in the California White & Yellow Pages

Recent Searches:

Recent Feedback:

  • (562) 366-1987
  • (213) 314-3031
  • (408) 613-0236
  • (760) 610-5424
  • (341) 261-1377
  • (209) 477-3439

Top CallerSmart Users in California

Block California Calls and Texts

How To Use Phone Number Lookup On iPhone

Learn how to easily look up phone numbers on your iPhone with the CallerSmart app. Discover unknown callers and protect your privacy in just a few steps.

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No Caller ID: How to Block "No Caller ID" and Other Unknown Calls on Your iPhone

Do you get inundated with "No Caller ID" calls on your iPhone? Learn how to ignore these calls and block them with these five easy steps.

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How to Filter Unknown or Unwanted Texters From Your iMessages

Getting iMessages from people that you don't know or don't want to talk to? Learn how to filter unknown or unwanted texters from your iMessages.

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Blocked Numbers: How to Manage Blocked Numbers on Your iPhone

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Block Texts: How to Block Unwanted Text Messages on Your iPhone

Is an annoying ex or spam texter bothering you? Find out how to block texts on your iPhone and report annoying and potentially dangerous phone numbers.

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View Smart Guides

Victim of a Phone Scam in California?

If you've been the victim of a phone scam or fraud in California, you should report it to the appropriate authorities to prevent further financial loss and assist in investigating or preventing additional fraud.


If the scam involves significant financial losses or crosses state lines, report it to the FBI's Internet Complaint Center.


If the scam involves taxes or impersonation of the IRS, report it to the IRS Treasury Inspector General.


Report any type of phone scam, including robocalls and phishing, to the Federal Trade Commission.


Unwanted calls from debt collectors and any illegal telemarketing or scam calls targeting mobile phones without prior express consent should be reported to the Federal Communications Commission.


You can also share your feedback on a phone number in the CallerSmart phone book to warn others about scams!