In Brief (TL;DR)
Finding out who is calling you from an unknown number is possible thanks to online services, smartphone apps, and alternative strategies.
The choice of tool depends on your needs and preferences.
Blocking unwanted numbers is a definitive solution to protect yourself from annoying calls.
The devil is in the details. 👇 Keep reading to discover the critical steps and practical tips to avoid mistakes.
The annoyance of receiving calls from unknown numbers is a common problem. But how do you find out who is calling you? This article will provide you with effective methods and useful tools to identify the unknown numbers that are disturbing you. You will learn how to use apps, online services, and strategies to unmask unwanted callers. Continue reading to discover how to protect your privacy and reveal the identity behind those annoying unknown numbers.

Online Services to Identify Unknown Numbers
How to find out who is calling you using online services? There are several platforms that offer the ability to enter an unknown number and obtain information about the owner. These services, often based on databases of user reports, can reveal if the number is associated with telemarketing, spam, or potential scams. Some online services also offer the ability to block unwanted unknown numbers.
Let’s explore some of the most popular online services for identifying unknown numbers:
- Tellows: This free service allows you to enter the unknown number and view comments and ratings from other users who have received calls from the same number. Thanks to this information, it is possible to understand if it is a call center, a company, or a private individual. Tellows offers a wide range of details, including the type of call (telemarketing, survey, etc.) and the caller’s reputation.
- Chi Chiama?: Similar to Tellows, Chi Chiama? is a free service that collects user reports on unknown numbers. In addition to viewing comments and ratings, it is also possible to report a new number and contribute to the community. The site also offers the ability to block calls coming from unwanted numbers.
- White Pages: Although traditionally used to find landline numbers, White Pages can also be useful for identifying some unknown mobile numbers. The service allows you to enter the number and view the associated name, if present in the database.
How to choose the right online service? The choice of the online service depends on your needs and preferences. Tellows and Chi Chiama? are excellent for identifying telemarketing numbers and potential scams, while White Pages is more useful for finding numbers of private individuals. It is advisable to try different services and compare the results to obtain more complete information.
Smartphone Apps: A Powerful Weapon Against Unknown Numbers

Smartphone apps offer a convenient and immediate solution to find out who is calling you from an unknown number. These apps leverage databases of reported numbers and caller identification technologies to provide detailed information about the number’s owner. Some apps also allow you to automatically block calls from unwanted numbers, protecting you from spam and aggressive telemarketing.
Let’s look at some of the most effective smartphone apps for identifying unknown numbers:
- Truecaller: One of the most popular and comprehensive apps for identifying and blocking unwanted calls. Truecaller has a vast database of numbers reported by users worldwide, allowing you to quickly identify unknown numbers and view caller information, such as name, location, and type of business (if available).
- Whoscall: Another effective app for identifying unknown numbers and blocking spam calls. Whoscall offers an intuitive interface and advanced features, such as the ability to customize blocklists and receive real-time notifications about unwanted calls.
- Hiya: Hiya focuses on identifying spam calls and automatically blocking unwanted numbers. The app also offers the ability to report new spam numbers and contribute to the community. Hiya is a reliable option for those who want to protect themselves from unwanted calls without having to manually check every number.
How to choose the right app? The choice of the smartphone app depends on your needs and your device’s operating system. Truecaller and Whoscall are available for both Android and iOS, while Hiya is available only for Android. It is advisable to try different apps and choose the one that offers the most useful features and an intuitive interface.
Alternative Strategies to Find Out Who Is Calling You

In addition to online services and smartphone apps, there are some alternative strategies that can help you find out who is calling you from an unknown number:
- Reverse Google Search: By entering the unknown number into the Google search bar, you might find information about the number’s owner. This method is particularly useful if the number is associated with a business or an online profile.
- Check Social Media: If you suspect the unknown number belongs to someone you know, try searching for it on social media. Many platforms allow you to search for users by phone number.
- Answer the Call with Caution: If you decide to answer a call from an unknown number, do so with caution. Do not provide personal information and try to get as many details as possible about the caller. If the call seems suspicious, end the conversation.
Comparative Table: Online Services and Apps to Identify Unknown Numbers
| Tool | Type | Main Features | Pros | Cons |
|---|---|---|---|---|
| Tellows | Online Service | Number search, user comments, reputation rating | Free, large database | Depends on user reports |
| Chi Chiama? | Online Service | Number search, user comments, number reporting | Free, active community | Depends on user reports |
| White Pages | Online Service | Number search, name association | Easy to use | Limited to landlines and some mobile phones |
| Truecaller | Smartphone App | Caller ID, spam call blocking, global database | Large database, advanced features | Requires registration |
| Whoscall | Smartphone App | Caller ID, spam call blocking, intuitive interface | Easy to use, customizable | Limited database availability |
| Hiya | Smartphone App | Spam call identification, automatic blocking, number reporting | Focus on spam protection | Available only for Android |
Blocking Unwanted Numbers: A Definitive Solution
After identifying an unknown number as unwanted, you can block it to avoid future calls. Most smartphones offer the call blocking feature directly from the phone settings. Additionally, many smartphone apps for caller identification offer the ability to automatically block spam numbers and numbers reported by users. Blocking unwanted numbers is an effective solution to protect your privacy and reduce the number of annoying calls.
Conclusions

Receiving calls from unknown numbers can be frustrating and worrying. Fortunately, there are several solutions to identify these numbers and protect your privacy. Online services like Tellows and Chi Chiama? offer a quick and free way to check the reputation of an unknown number, while smartphone apps like Truecaller and Whoscall provide a more comprehensive experience, with advanced caller identification and call blocking features. By using these tools and the alternative strategies described in this article, you can find out who is calling you and make informed decisions on how to handle unwanted calls. Remember that security and privacy are paramount, so it is important to use these tools responsibly and protect your personal information.
Frequently Asked Questions

Open the Phone app, go to the Recents section, tap the «i» icon next to the number you want to block, and select «Block this Caller».
If the number calls you insistently, asks for personal information, or offers you deals that are too good to be true, it might be a scam.
Most apps for identifying unknown numbers are safe to use, but it is important to read the privacy policies carefully before installing them.
If you continue to receive unwanted calls, you can report the number to your phone carrier or the competent authorities.

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