Free tool
Phone number lookup: who called me?
Got a call or text from a number you do not recognize? Check it before you call back, answer, or share anything.
Unknown numbers are one of the most common ways scams start — a "missed delivery", a "bank fraud department", a robocall about your car warranty. Caller ID can be faked, so the number on your screen is not proof of who is really calling.
A phone number lookup helps you decide what to do before you engage. Describe the call or enter the number and Scam Doctor tells you whether it shows the hallmarks of a scam or spam call, and the safest next step.
What a phone number lookup checks
- Whether the number matches known scam and spam patterns.
- The story being used — bank, delivery, government, tech support, prize.
- Spoofing signals (a "local" or trusted-looking number that may be faked).
- Whether the call asks for money, codes, gift cards, or remote access.
- The safest way to verify — calling the company back on its official number.
Why you should never trust caller ID alone
Spoofing lets a scammer display any name or number they want — including your own bank, a government agency, or a local area code. That is why a number that "looks right" is not safe by itself. The only reliable way to confirm a caller is to hang up and call back on a number you find yourself.
Common phone scams to watch for
- Bank or payment "fraud department" asking you to move money or read out a code.
- Delivery or postal calls/texts about a fee to release a package.
- Government impersonation — IRS, Social Security, police — threatening arrest or fines.
- Tech-support calls claiming your device is infected and needs remote access.
- Prize, lottery, or "refund" calls that need a payment or your details first.
What to do with a suspicious number
Do not call back from the message. Open the company's official app or website, or use the number on your card or statement, and confirm there. Real banks and agencies never ask for one-time codes or payment in gift cards. If you are unsure, describe the call to Scam Doctor first.
Phone number lookup: who called me? FAQs
How do I find out who called me?
Describe the call or enter the number in Scam Doctor and it will tell you whether it matches scam or spam patterns, and the safest next step. To confirm a real company, call it back on its official number.
Can scammers fake a real phone number?
Yes. Caller ID spoofing lets scammers display any name or number, including your bank's. Never trust caller ID alone.
Is it safe to call back an unknown number?
Not always — calling back can confirm your number is active or connect you to a premium-rate line. Check the number first and call companies back only on their official number.
What should I do if I already answered?
If you shared a code, password, or payment, contact your bank immediately and change any exposed password. If you only answered, hang up and block the number.