Scammer phone number lookup: what a free lookup can and can't tell you
Quick answer
No lookup can prove a number is safe. Scammers fake caller ID, so the number on your screen often isn't real. Don't call back or press any keys. Hang up, block it, and report the number to the FTC at DoNotCall.gov or ReportFraud.ftc.gov.
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Reviewed by Anthon Wansland
Head of Product & Co-Founder
Serus is a privacy company with paid tools to find and remove your personal data. This page is free and based on official sources.
How it works
People look up a number to decide whether to call back or answer. The FTC's guidance is that you usually don't need to decide: hang up.
The FTC says scammers can fake the name and number that show up on caller ID, so a call can look like it's from a government agency, a company you know or a local number. Caller ID labels are helpful when a call is flagged as a potential scam, but not every scam call is flagged. A clean-looking lookup result doesn't prove a call was real.
Robocalls are cheap and easy to make over the internet from anywhere in the world. A recorded sales pitch you didn't give written permission for is almost always illegal, and probably a scam. Pressing numbers to speak to someone or be removed from the list will probably only lead to more robocalls.
Sources checked: consumer.ftc.gov
Last verified against the official page:
Red flags
- A recorded message tries to sell you something you didn't ask about
- The caller says they're from the government and threatens you if you don't pay or share personal information
- You're told to pay with gift cards, wire transfers, a payment app or cryptocurrency
- You're pressured to act immediately or told not to hang up
- The caller ID looks local or official, which the FTC says is easy to fake
Example message
This is an important message about your account. Press 1 to speak to an agent, or call [phone number] now to avoid further action.
What to do
- 1
Hang up
Don't press numbers to be removed from a list. The FTC says that will probably only lead to more robocalls.
- 2
Don't trust the number on your screen
Caller ID is easy to fake, even when it shows a nearby number or a company you know. If you think the call might be real, look up the organization's number yourself and call that.
- 3
Block the number and use call blocking
Check which call-blocking and call-labeling services your phone carrier offers. For cell phones, you can also read reviews for call-blocking apps in your app store.
- 4
Report it to the FTC
At DoNotCall.gov, report the number that received the call, the number on your caller ID, any number you were told to call back, and the date and time if you know them. The FTC releases reported numbers to the public each business day to help phone companies with blocking and labeling.
- 5
If you already paid or shared details
Contact the company you paid with right away and see the FTC's steps at consumer.ftc.gov/articles/what-do-if-you-were-scammed. Report it at ReportFraud.ftc.gov.
Report it
Check if your details are exposed with Serus
Scammers find your number and address on data brokers and people-search sites. Serus removes them.
Why you got it
Scammers get names, phone numbers, addresses and emails from people-search sites and data breaches, which is one reason the same few people get the most calls and texts. Serus finds where your phone number and address are listed and removes them, and alerts you when your details show up in a breach, so fewer scammers can reach you. It can't stop every call.
Frequently asked
Is there a free way to check if a phone number is a scam?
Your carrier's call-labeling and blocking services are a starting point. The FTC cautions that not every scam call gets flagged and that caller ID can be faked, so no check proves a call is safe.
Will the Do Not Call Registry stop scam calls?
No. The FTC says the Registry stops calls from real companies that follow the law, and being on it won't stop scammers. It may reduce calls and make scam calls easier to spot.
Should I call a missed number back?
If you don't know who it is, don't. The FTC advises against calling a number a caller gave you or one from caller ID. Look up the organization's number yourself.
How do I report a scam call?
Report it at DoNotCall.gov, and at ReportFraud.ftc.gov if it was a scam.
Sources
Something wrong or out of date? Tell us and we'll re-check it.
