Reverse
lookup find out who
called you.
Free reverse phone lookup. Type in a number and see line type, carrier, region, and known reputation flags — all in one search, no signup.
Three trust outcomes — each tells a different story.
Every lookup resolves into one of three trust tiers based on reputation signals, line type, and carrier data. Here's what each tier means and what to do next.
- Spam flag score
- VoIP line type detected
- Carrier assigned to known spam range
Recommended: block immediately.
- No positive or negative reputation data
- Standard line type
- Carrier identified
Recommended: proceed with caution.
- No spam reports
- Mobile or landline — no VoIP flag
- Established carrier
Recommended: safe to return the call.
Four common questions.
Robocall worth ignoring — or a real call worth returning? Lookup gives the signal in two seconds without calling back.
A sketchy SMS asking you to click a link. Lookup shows whether the number is a known scam source or legitimate sender.
Marketplace seller, job applicant, online date — confirming the number's region and line type matches the story they gave.
Knowing whether it's a business landline, personal mobile, or VoIP shapes how you approach the conversation.
Wider read, different answer.
Carrier lookup focuses on one question: who's the carrier? Reverse lookup adds spam flags, regional context, and a recommended action — designed for "should I trust this caller?" rather than "who routes this number?"
Returns operator name, line type, and porting state. Best for routing and compliance.
Open Carrier LookupAdds spam reputation signals and trust outcome — best for "should I answer or block this?"
You are hereEvery tool, free to use.
No signup. No limits. Results in under two seconds.
Instantly check if any phone number is valid, active, and reachable — across 240+ countries.
Test & fake numbersNumber GeneratorGenerate realistic random phone numbers by country for testing apps, forms, and QA workflows.
Identify the networkCarrier LookupFind out which carrier operates a number and whether it's a mobile, landline, or VoIP line.
Your public IPWhat is My IPSee your current public IP address, ISP, country, and approximate location in one click.
Format & E.164Number ValidatorValidate and reformat any phone number into the correct E.164 standard for global compatibility.
Find UK regionUK Area CodeDecode any UK dialling code to find the city or region it maps to across England, Scotland, Wales, and Northern Ireland.
Find location by codeArea Code LookupLook up any US or Canadian area code to find the city, state, time zone, and region it belongs to.
Want this on every incoming call? CallMama caller ID does it.
In-app caller ID flags spam, verifies STIR/SHAKEN, and lets you block in one tap. No more lookup-then-decide — the data is right on the call screen.
See Caller IDFrequently asked.
Pick up where you
left off.
One tap to install. One more to call. It really is that simple.
Stay Connected Anytime, Anywhere,
Talk Freely Globally.
+1 914 454 3728