Thousands of people receive daily phone calls from unknown numbers. Sometimes it’s telemarketing calls, but we have also witnessed the massive increase in fraudulent calls whose sole purpose is to defraud the unnoticed partners. These scams can get very expensive. The portal for Mexico intends to continue the work started with the Spanish portal and thus function as a source of prevention. If a telephone subscriber want to know who is hiding behind an unknown number, you can search in the database provided on this page and read the comments of other users, which will be given to the number a score, as they perceive their reliability. For owners of smartphones, there is also a free application, which warns them before accepting the call. More information and Tips how to avoid possible scams will be gradually published on the blog. The increase in fraudulent calls is not only a problem in our country, but which, with the technological boom worldwide, its incidence has increased in most regions of the world. That’s why every time there are more web sites specifically designed for each country with the same task in mind: to alert users about potential scams. Currently, in addition to portals for Latin America there are portals for Germany, Austria, France, Great Britain, Italy, Netherlands, Russia, Sweden, Switzerland, etc. Outside the old continent, Tellows has emerged not only in the Latin America but also, among others, in the United States.USA, Australia, China, Egypt, Japan, India, South Africa and Taiwan. The goal of information service to carry the greatest number of countries where this is necessary on still stands and we hope to be adding more countries to our list with the collaboration of our users. More information on: some of the websites where users of Tellows have the possibility to leave your comments and ratings are: cl.tellows.net,,,,,, and, cn.tellows.net, etc. Thus your grain of sand puts Tellows in the fight against telephone fraud.