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tellows provides information to identify trustworthy or potential risk calls - thanks to our worldwide community.

tellows – the free reverse search about phone numbers



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Find details about reported phone numbers from over 7 million monthly users in 50 countries and participate by becoming a part of tellows community.

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Get information about the current scam methods and how to prevent them in our blog, magazine and press and follow us on Twitter, Facebook and Instagram.

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Ratings from community
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Registered users
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API requests

We categorise calls by type (debt collection, serious number, sweepstakes, etc.) and give the number in question a tellows score, which indicates whether a number is trustworthy or suspicious, helping you to decide whether or not to take the call.


Latest from our blog



    We've all had to deal with the same thing. Your phone rattles furiously as it's bombarded with nuisance call after nuisance call and you have no way of knowing who's calling. Will it be over enthused telemarketers or, perhaps even more annoying, a swift click and the dialing-tone drone? Should you take the call or ignore it? Who's on the other end?
    Rest assured that you're not alone. In a world where cold callers can sometimes seem to hold a global monopoly over phone lines, tellows aims to provide a solution. We function as a vast online database of phone number profiles, generated thanks to feedback and reviews from our online community. Providing an online platform where users can share their experiences of these kinds of calls and flag up numbers responsible for junk calls means that information on suspicious numbers becomes readily available, helping other members of the tellows community to anticipate potential risk calls. Join the international community that is currently operating in 47 countries with more than 200,000 users on a daily basis and download the new tellows app today for your iPhone or android. And whilst you are at it, take a look at our various other useful tools available for purchase in our tellows shop.
    Here at tellows.co.uk, not only can we provide up-to-date information on regional nuisance-call trends and currently active numbers with the heatmap, we also pinpoint the origin of your call and display it on a map by identifying the prefix.
    We ontop feature the pinpoint location your call originated from and display it on a map, using the dialling code. Learn more about international dialling codes.
    Want to hear more? We have some light reading material that might be of interest to you. Check out our tellows blog for news on the latest scams, tellows products and updates in telecoms regulations that affect you in the UK or simply grab a copy of our free tellows magazine, which came together after our many years of experience on the subject of telephone terror and scams. This not only includes important background information about phone fraud but the methodology behind it. A must read for all phone consumers.

    New unwanted phone numbers

    On tellows, thousands of phone numbers are reported by the community every day. Here you can find phone numbers that were reported for the first time and were classified as unwanted.
    1. ajtucker reported Mary from Wise Sell UK with the number ‎02045201925 as Telemarketer

      1/24/22 11:45 AM

      Pretending to be an energy efficiency advisor for the local area....

      1 Rating for 02045201925 (London)
    2. ajtucker reported Sky TV with the number ‎02080898707 as Cost trap

      1/24/22 12:44 PM

      Claimed to be Edward calling from Sky TV, but as soon as I asked for a number he hung up....

      1 Rating for 02080898707 (London)
    3. kira reported Insulation scammer with the number ‎02045162714 as Harassment calls

      1/23/22 6:39 PM

      Keeps calling me, he was talking about loft insulation - wth? Just a scam imo. Blocked now....

      1 Rating for 02045162714 (London)
    4. iPhone reported Pubblicita with the number ‎+390309336103 as Cost trap

      1/24/22 8:58 AM

      Nastro registrato che offre investimenti in Amazon. Truffa. Bloccato subito....

      1 Rating for +390309336103 (Brescia)
    5. iPhone reported unknown with the number ‎01412890756 as Cost trap

      1/24/22 2:54 PM

      This number is a scam! They pretend to be calling from the HMRC, and threaten you with the Police tu...

      1 Rating for 01412890756 (Glasgow)
    6. Bri reported housing disrepair team with the number ‎02045203019 as Cost trap

      1/24/22 5:14 PM

      scammers scammers...

      1 Rating for 02045203019 (London)
    7. Bri reported number ‎+351304760422 as unknown

      1/24/22 12:41 PM

      odd unknown unsolicited call from Portugal? Well, considering I know no Portuguese people, or anyone...

      1 Rating for +351304760422 (Livre)
    8. iPhone reported unknown with the number ‎01285311015 as Cost trap

      1/24/22 2:51 PM

      This number is a scam! They pretend to be from one of the mobile phone companies!...

      1 Rating for 01285311015 (Cirencester)
    9. jeazy reported number ‎01312267661 as unknown

      1/24/22 7:59 AM

      i had multiple calls from +441312267661 - no idea who this caller is....

      1 Rating for 01312267661 (Edinburgh)
    10. iPhone reported unknown with the number ‎01642863752 as Aggressive advertising

      1/24/22 9:26 AM

      ...

      1 Rating for 01642863752 (Middlesbrough)

    Recently added comments

    1. Bri reported housing disrepair team with the number ‎02045203019 as Cost trap

      1/24/22 5:14 PM via Android App

      scammers scammers

      1 Rating for 02045203019 (London)
    2. Tadas reported unknown with the number ‎07781470632 as SMS spam

      1/24/22 5:13 PM

      shity

      5 Ratings for 07781470632 (mobil phone number)
    3. unknown has been reported with number ‎02045716940 as Telemarketer

      1/24/22 5:04 PM

      3 Ratings for 02045716940 (London)
    4. The number ‎07870699931 has been assigned to unknown

      1/24/22 4:58 PM

      they dont say anything .

      1 Rating for 07870699931 (mobil phone number)
    5. iPhone reported unknown with the number ‎+390956242047 as Aggressive advertising

      1/24/22 4:56 PM via iPhone App

      1 Rating for +390956242047 (Catania)

    Where does the information on telephone numbers come from?

    tellows provides a platform where those who receive frequent spam and scam phone calls can share their knowledge on a particular caller by commenting on the phone number's profile. Profiles are generated automatically if a number is being searched for the first time. We categorise calls by type (debt collection, sweepstakes, etc.) and give the number in question a tellows score, which indicates whether a number is trustworthy or suspicious, helping you to decide whether or not to take the call. This risk rating is generated by a complex algorithm that incorporates data such as user ratings and search statistics. Want to find out more about how the tellows score works?
    The bulk of the information on the site comes from user reviews and our database is constantly expanding and becoming more detailed thanks to information from you, our online community. By providing information on a number, you can help innumerable other people to anticipate and avoid a malicious call.

    Comments on the most frequently searched phone numbers

    1. Android reported number ‎+9794240044 as unknown

      1/16/22 7:14 PM via Android App

      503 Ratings for +9794240044 (tellows)
    2. B-M reported Carphone warehouse with the number ‎01204204035 as Telemarketer

      1/20/22 10:17 PM

      Total scam block definitely

      9 Ratings for 01204204035 (Bolton)
    3. Grandma Fish reported BT open reach!! with the number ‎02033197435 as Harassment calls

      1/19/22 10:18 AM

      After insisting my b band had been hacked, she told me I was and idiot and wasting HER time

      5 Ratings for 02033197435 (London)
    4. unknown has been reported with number ‎02045716940 as Telemarketer

      1/24/22 5:04 PM

      3 Ratings for 02045716940 (London)
    5. Skins reported Claim Sky maintenance with the number ‎02045770351 as Telemarketer

      1/18/22 10:32 AM

      Claim to be from sky , but couldn’t confirm any of my details

      3 Ratings for 02045770351 (London)

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