Reverse Phone Lookup

Find out who called you from an unknown number with our free reverse phone lookup tool. We cover numbers from over 200 countries, with results that may include country of origin, carrier details, and links to local directories. U.S. numbers may also reveal owner name, address, and spam reports.

Phone Number Lookup Results May Provide

Caller ID lookup results vary based on phone type and country and data availability:

Owner's Name

Full name of the person or business

Full Address

Street, city, state, and ZIP code

Spam Report

Do Not Call and robocall complaints

Phone Type

Mobile, landline, or VoIP

Carrier Information

Original service provider

Geographic Location

Originally assigned region

Premium Services From Our Partners May Also Include:

Social Media

Social accounts, dating profiles, or photos

Owner Details

Phone owner age or email addresses

Why use ThisNumber for Reverse Phone Lookup?

Here's why thousands of users choose ThisNumber over Spokeo, BeenVerified, or WhitePages:

100% Free

No credit card required, no hidden fees, no subscription traps. We show you all available public phone records at no charge. Our service is supported by ads and affiliate partnerships, so you get real results without paying a dime.

Privacy First

We comply with GDPR, CCPA/CPRA, TCPA, and FCRA privacy laws. All data comes exclusively from official US government databases where businesses are legally required to register. We don't store your search history and respect your right to opt-out.

Millions of Phone Records

Our database includes over 23 million US phone numbers with detailed owner name and address information. More records means better chances of identifying that mystery caller.

Worldwide Numbers

Look up phone numbers from countries around the world and identify where calls are coming from. Whether it's a local United States phone number or an international caller, we help you find out who's reaching out.

Spam and Scam Identification

See if a number has been reported for spam, robocalls, or scams. We show the number of Do Not Call and robocall complaints reported to FTC, so you know what you're dealing with before you answer.

Official Sources

We pull data from official US government databases including business licenses, professional registrations, and contractor permits, so you get information you can trust.

US Reverse Phone Lookup

Get available owner information for any US phone number, including owner name, address, and FTC spam complaints. Our database contains millions of phone number owner name and address records found on public records, as well as over 27 million Do Not Call and robocall complaints from the FTC.

Results may include available information on:

  • Owner name and address
  • Location based on area code
  • Spam and scam reports by users
  • Do Not Call or robocall complaints
US Reverse Phone Lookup ➜
Federal Data Sources

Federal Data

State Data Sources

State Data

County Data Sources

County Data

City Data Sources

City Data

Reverse Phone Lookup Use Cases

Getting calls from numbers you don't recognize? Whether you're trying to identify who's calling you, block spam calls, or verify if a number is legitimate, reverse call lookup gives you answers. Here are the most common reasons people search phone numbers:

Identify Unknown Callers

Stop wondering "who called me from this number?". Our reverse phone search service helps reveal who the real phone number owner is, so you can decide if it's safe to answer or call back.

Stop Spam and Robocalls

Check any suspicious number against our spam database before you pick up. See if others have reported it as a telemarketer, robocaller, or spam number. Consider blocking unwanted calls to protect your peace of mind.

Verify Caller Identity to Avoid Scams

Don't trust caller ID alone. Scammers can fake the number that appears on your screen. If someone claims to be from your bank, the IRS, or a delivery service, look up their number first to confirm it's real and avoid fraud.

Check If a Number Is Safe

Before returning a missed call or responding to a text, use our phone number lookup to see who it belongs to. Find out if it's a legitimate business, a personal contact, or a known scam operation.

Verify Old Contact Information

Have an old phone number for someone? Check if it's still active and confirm it still belongs to the person you're trying to reach before calling or texting.

Investigate Suspicious Text Messages

Got a text from an unknown number asking you to click a link or send money? Look up the number to see who's really behind the message and protect yourself from phishing attempts and scams.

Phone Number Search Limitations

  • Number Portability. Federal regulations let people keep their phone numbers when they move cities or change service providers, meaning the location information you find might be outdated.
  • Internet-Based Phone Services (VoIP). These services can assign any area code to a number regardless where someone actually lives, making it nearly impossible to determine their true location since calls route through the internet.
  • Mobile Phones. Unlike traditional landlines, cell phones don't have much publicly available information. Someone can get a number with one city's area code and move anywhere the next day.
  • Business Phone Lines. Companies frequently use numbers from multiple area codes or virtual numbers for their operations, which don't reflect actual physical locations.
  • Recently Reassigned Numbers. When phone numbers get recycled and given to new users, lookup results might still show the previous owner's details instead of current information.
  • Caller ID Spoofing. Caller ID spoofing occurs when scammers falsify caller ID information to disguise their identity. Scammers frequently spoof numbers with similar area code and even your exchange (first 6 digits) to appear as a "neighbor" calling. This technique increases answer rates.
  • Outdated Information. Data can become inaccurate quickly due to people moving, changing carriers, or numbers being reassigned to new users.

Data Accuracy & Availability

Transparency about what you can expect from our records.

  • Data accuracy varies, public records information may be outdated or not accurate.
  • We respect the right to opt-out, privacy protected numbers won't appear in results.
  • Recent phone number changes may not yet be reflected in our database.
  • Records display only available information; some details may be incomplete or unavailable.

Permitted and Prohibited Uses

Reverse phone lookup results are subject to the Fair Credit Reporting Act (FCRA).

Permitted Uses

  • Personal safety and identifying unknown callers
  • Verifying business contact information before engaging
  • Fraud prevention and caller verification
  • Reconnecting with lost contacts
  • Investigating harassment or threatening calls

Prohibited Uses

  • Employment screening or background checks for hiring
  • Credit decisions or loan approvals
  • Insurance underwriting or rate setting
  • Rental or housing purchase decisions
  • Any use as a "consumer report" under the FCRA