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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. iPhone reported number 07520670647 with score 5

      This number is used by an advanced fee scammer. Do not send this person any money.

      07520670647 (mobil phone number) - View details and comments - 1
    2. iPhone reported number 07451233664 with score 5

      This number is used as an advance fee scam. Do not send this person any money

      07451233664 (mobil phone number) - View details and comments - 1
    3. Heidi reported Park Holidays with the number 01424234577 as Telemarketer

      Called after entering competition, DESPITE explicitly stating I was not interested in marketing.

      01424234577 (Hastings) - View details and comments - 14
    4. Android reported number +442030520993 as Harassment calls

      they know my company details but dont know how

      +442030520993 (London) - View details and comments - 7

    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. Gary reported number 02032856415 as 02032856415 David Knox

      They've called about five times in the past day so I finally answered and didn't say anything until they hung up, sounds like some kind of call centre set up, definitely not best pleased

      02032856415 (London) - View details and comments - 14
    2. delirious reported number 01617685296 as Telemarketer

      calls about trading on CFD's

      01617685296 (Manchester) - View details and comments - 10
    3. Tony reported number 07938536820 as Steven

      Call from the number: 07938536820 A Guy called Steven- Asking for bank information, how much I made at work. Asking irrelevant questions asking if I smoke/had a sky package yet knew about a bank loan. Avoid and 101 have been made aware Pretending to be from citizens advice

      07938536820 (mobil phone number) - View details and comments - 11

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