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Your phone is ringing and you don’t know who is calling?

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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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.

    Recently added comments

    1. Egometto reported number 01305548144 as unknown

      Caller asked for me by name. When my wife said I wasn't there, they rang off.

      01305548144 (Dorchester) - View details and comments - 1
    2. xubbi reported Digital solutions with the number 02081610640 as Telemarketer

      Called to offer me a better third party insurance for my pipes and drains. When I explained the it’s all covered on my comprehensive buildings and contents policy she just hung up. So unprofessional....
      I rang the number back and got the company name and was also given the choice to opt out of “calls like this in the future” which I did. It’s an automated system so fingers crossed it will work.

      02081610640 (London) - View details and comments - 2
    3. iPhone reported unknown with the number 02081610640 as Telemarketer

      Digital Solutions Market Research. This particular call was about replacing my ‘third party cover’ for my pipes and drains, which I don’t have third party cover and everything is covered on my comprehensive buildings and contents. The caller just hung up when I explained... I rang the number back where I got the company name from and I was offered an opt-out, which of course I did...

      02081610640 (London) - View details and comments - 2
    4. Android reported uob telemarketer with the number 00622180625579 as Telemarketer

      nawarin kk uob

      00622180625579 (Jabodetabek) - View details and comments - 14

    Where does the information on telephone numbers come from?

    tellows provides a platform where those who receive frequent spam and scam phonecalls 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. wendie Anderson reported number 01246488759 as ' utilita ' energy

      I am so sick of this company calling my home, my mobile even my partners yesterday we told them we are NOT INTERESTED in switching from British gas and they have been told this for the past 6yrs, but they are going on about how great their prices are? Well, when you are practise and annoyingly calling always even at 1 point my voicemails had 17 calls in 2 wks? no one who has my number will leave a voicemail as I don't answer them? But UTILITA PLEASE BACK THE F*** OFF AND GIVE PEOPLE A CHOICE IF THEY ARE GOING TO CHANGE SUPPLIERS IT IS DEFINITELY GOING TO BE DONE BECAUSE THEY ARE SICK OF YOU HOUNDING THEM every day, MY SISTER WAITED OVER 6MTH FOR CARDS AND USED TO CALL EVERY WK FROM MY PHONE AND SHE WOULD HAVE TO WRITE THE NUMBERS DOWN SO SHE COULD HAVE A CUSTOMER NUMBER TO GET GAS AND ELECTRIC. YOU AS A COMPANY WHICH IS MEANT TO BE BIG SHOULDNT HAVE TO STRESS THE HELL OUT OF PEOPLE WITH YOUR CALLS.

      01246488759 (Chesterfield) - View details and comments - 75
    2. Texas reported Akram Arebi with the number 07875160119 as Harassment calls

      He calls in the USA. What is wrong with this dude?

      07875160119 (mobil phone number) - View details and comments - 16
    3. Angry lady reported Wonder West Solutions with the number 01367052219 as Aggressive advertising

      Wonder West Scam call

      01367052219 (Faringdon) - View details and comments - 10
    4. The number 02030484709 has been assigned to HM Revenue & Custom

      Absolute bullshit. HMRC would write you you first if there was a genuine problem. Block and ignore is my recommendation.

      02030484709 (London) - View details and comments - 8

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