Is there anything worse than dozens of unknown calls left on your phone? A reverse phone lookup can save you time and frustration. You can find information about who is calling you and public information about the person that’s calling you.

Instead of wasting your time calling back, you can look the person up online and determine whether or not it’s worth speaking to them. Identifying a nuisance caller can also help you end harassment over the phone.

In this article, we’ll look at how to run a reverse phone number search using several free as well as paid-for methods.

What Is Reverse Phone Lookup?

Reverse phone number lookup involves obtaining information about people through their phone numbers. Cell phone software can display accurate facts about individuals, but if it doesn’t, you can use a paid or free reverse phone lookup service.

This will help you authenticate the identity of the person that is calling you and can help identify telemarketers and phishers that aren’t worth your time.

The reverse number lookup can search several public search engines and records to find out more about the person that owns the number that has been calling you. This information is then displayed in a report.

Your reverse phone lookup can identify a number of things. Firstly, it will verify the area code city and state, the location within the city, or whether or not the number belongs to a landline or mobile phone.

It can also authenticate the number, so you can determine whether it belongs to an individual or a robot. Secondly, it will provide detailed information about the caller.

Depending on the information that is publicly available, this can be very granular – down email addresses, home addresses, place of work, etc.

Why Look Up Phone Numbers?

Why Look Up Phone Numbers?

There are several reasons to look up phone numbers. Let’s look at a few scenarios:

  • You keep receiving missed calls from Joe Smith. You don’t know who he is, but you run your own business and think he may be a potential client. You can look up the number to find out if it’s worthwhile.
  • Someone leaves an anonymous, disturbing voicemail for you. You can look up their number and log a harassment case with the local police once you have their identity.
  • You find a phone number you’ve written down but can’t recall who it belongs to. You can look it up before discarding it.
  • You are referred to a specialist by your doctor. Before you call him, look up the area code to determine whether or not it would be a convenient location to visit.
  • Your phone bill shows several calls to a number you don’t recognize. Look it up to determine if you’re being billed incorrectly.

Looking up a phone number for free

Whether or not you should use a free lookup service or a paid one depends on how important the information is to you. is a great free resource for looking up listed landlines, but it won’t work for cell phone numbers.

Alternatively, you can simply type the number into Google and see what pops up. If the person calling you is using a legitimate business number or has shared their cell number anywhere, it may come up, but the information might also be outdated or incorrect.

You could also try Facebook for your free lookup. Many people use their cell numbers to verify their Facebook account. You need to hide this number and set it to private, but some people forget. Phone numbers may also pop up if someone’s used Facebook Marketplace to sell goods at some point.

A more accurate lookup service

If free methods don’t work for you, you should use a service like Radaris. Radaris combines public records with social media and search engine data to create a comprehensive picture of the person associated with the number that calls you. This can include names, addresses, listed and unlisted numbers, VoIP numbers, and business numbers.


A reverse phone lookup can help you piece together the puzzle of who has called you. You can find out more about a number (and a caller) with a few simple clicks.

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Arnab Das is a passionate blogger who loves to write on different niches like technologies, dating, finance, fashion, travel, and much more.

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