¿Quién ha llamado? is a brand that offers a reverse phone lookup service, helping users identify the callers behind unknown phone numbers. Have you ever received a call from a number you don't recognize? With ¿Quién ha llamado?, you can quickly and freely check who is hiding behind that phone number. In addition to providing existing entries and a rating scale to evaluate the seriousness of the call, their local search sorting feature reveals the origin of the call.

Their blog also offers useful information on topics such as blocking phone numbers on FritzBox or handling typical calls from call centers with a sense of humor. This comprehensive database includes not only German numbers but also international ones. Whether you want to report annoying, unwanted, or unknown callers, or simply find out who has called you, ¿Quién ha llamado? allows you to perform a reverse search by entering the phone number.

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