10 Free Reverse Phone Number Lookup Tools in 2025 (Real Review)

Remember physical phone books from back in the day? Reverse phone number lookup tools are the modern, digital version of them. These tools let you enter a number and find the name of the person it belongs to.

Traditionally, people turned to Google search or social media to identify unknown callers. These methods are unreliable, and you often get incorrect or outdated data.

That’s where reverse phone lookup tools come in handy, and to give you the best recommendations, we've tested most of the tools currently available and consulted reviews from real users to come up with a comprehensive list of highly-rated solutions. Here are the top 10 free reverse phone number lookup tools for 2025.

Top 10 Free Reverse Phone Number Lookup Tools in 2025

Completely Free Tools

• NumLookup - Caller ID, spam blocking, and reverse phone lookup
• TruePeopleSearch - Unlimited free searches with detailed personal information
• Spydialer - Provides information from public records and phone directories
• CallerIDTest - Free lookup for caller ID information without the need to sign up
• ZLookUp - Works for international landline and mobile numbers

Freemium (Free + Paid) Tools

• TrueCaller - Real-time caller ID, advanced spam call blocking and history
• WhitePages - Detailed information (like full address, criminal records, etc.) and background checks
• Spokeo - Combines phone numbers with social media profiles and public data
• CallerSmart - Mobile-friendly app with detailed reports and history
• CallBlocker - Customizable blocklists for spam prevention

Paid Tools

• USPhonebook - Detailed reports with relatives and associates
• IPQualityScore - Fraud detection and international number verification
• Pipl - Powerful deep web scraping capabilities

1NumLookup

NumLookup is a privacy-focused tool that is completely free, easy to use, and does not require you to create an account. A standout feature is its ability to cross-reference data from multiple sources, ensuring up-to-date results.

What Kind of Information Can I Get?

• Full name
• Geographical location
• Carrier information
• Social media profiles (if available)

2TruePeopleSearch

TruePeopleSearch lets you access public records for free. You can use it for free reverse phone number lookup with name, address and any other public info. Its daily updated database ensures you're getting the most current information available.

What Kind of Information Can I Get?

• Name
• Address
• Phone type (landline or mobile)
• Public records linked to the number

3Spydialer

Spydialer is completely anonymous, allowing you to identify unknown callers and texters without having to share your personal data to obtain details. You even get some unique features like voicemail lookup for public voicemails attached to numbers.

What Kind of Information Can I Get?

• Caller’s name
• Location
• Email address
• Phone type (landline, mobile, or VOIP)
• Access to public voicemail (if available)

4CallerIDTest

CallerIDTest helps identify unknown callers and detect spam calls easily. It's particularly beneficial for users seeking a quick check without complicated steps or fees.

What Kind of Information Can I Get?

• Caller’s name
• Spam call detection
• Basic geographical information

5ZLookUp

ZLookUp specializes in international phone number searches, identifying both landline and mobile numbers with a simple and efficient global lookup interface.

What Kind of Information Can I Get?

• Caller’s name
• Phone type (landline or mobile)
• Country and region details

6TrueCaller

TrueCaller offers free caller ID lookup and spam detection and is one of the most well-known platforms for identifying unknown callers and blocking spam. If you purchase the premium version, you can access advanced features like call recording and detailed caller insights.

What Kind of Information Can I Get?

• Caller’s name
• Location
• Spam call identification
• Caller ID for incoming calls
• Call history analysis (premium feature)

7WhitePages

WhitePages is useful for verifying personal or professional contacts, offering both free and premium options. The free version provides basic details, while the paid version includes comprehensive background checks.

What Kind of Information Can I Get?

• Name
• Address
• Phone type
• Carrier details
• Background checks (premium feature)
• Historical address records

8Spokeo

Spokeo is a versatile tool that combines reverse phone lookup with access to public records and social media profiles. Its free version is enough for basic details like name and location. The paid version unlocks extensive reports, including criminal records and family connections.

What Kind of Information Can I Get?

• Caller’s name
• Location
• Social media profiles linked to the number
• Criminal records and historical details (premium feature)
• Family connections and public records

9CallerSmart

CallerSmart is a mobile-friendly app designed to identify unknown numbers and block spam calls. The free version offers basic caller ID, while premium features include reverse lookups with detailed insights. It's great for mobile users who want instant access to caller information on the go.

What Kind of Information Can I Get?

• Caller’s name and location
• Spam call identification and blocking
• Number reputation
• Reverse lookup history (premium feature)
• Community-reported number insights

10CallBlocker

CallBlocker is a dedicated app for identifying and blocking spam calls. You can get started with its free version, which helps with basic spam detection. For advanced options like custom blocklists and detailed caller insights, you can upgrade to the premium plan.

What Kind of Information Can I Get?

• Spam call identification
• Caller's name (if available)
• Custom blocklist creation (premium feature)

USPhonebook

USPhonebook is for finding accurate and up-to-date contact information. It's ideal for reconnecting with friends, verifying business contacts, or identifying unknown callers. Its premium version offers detailed reports, including info about relatives and associates, making it a versatile choice for deeper searches.

What Kind of Information Can I Get?

• Full name
• Address
• Phone type (landline, mobile, or VOIP)
• Details about relatives and associates
• Historical records

IPQualityScore

IPQualityScore (IPQS) offers advanced reverse phone lookup capabilities with fraud detection tools. It's perfect for businesses that need to verify user identities or watch out for fraudulent activity. The paid version provides enriched data like risk scores and line status for international numbers.

What Kind of Information Can I Get?

• Caller’s name
• Location
• Phone number activity
• Risk score
• Carrier details
• Line status

Pipl

Pipl is a premium tool designed for deep web searches to gather hard-to-find details that other tools often miss. It can also find online profiles and social media accounts linked to phone numbers. It's perfect for professionals like recruiters or marketers who need comprehensive insights into a person's digital presence.

What Kind of Information Can I Get?

• Social media profiles linked to the phone number
• Email addresses and associated accounts
• Detailed online presence
• Professional connections

Which Reverse Phone Lookup Tool Should I Choose?

For Privacy-Conscious Users

We know that privacy-conscious users are more concerned about the privacy data collection of reverse phone lookup tools. Therefore, we tested each tool on its ease of use, required permissions, and effectiveness in protecting user anonymity.

We tested these tools under different conditions, such as logging out of accounts, avoiding registration, and analyzing responses for any hidden data collection or tracking mechanisms.

The following tools emerged as the top choices for privacy-conscious users:

• NumLookup: Completely free, no account required, doesn't collect any personal information
• Spy Dialer: No account creation, no personal data storage, ideal for quick checks during job searches or identifying business contacts

For Casual Users or One-Time Lookups

To determine the best tools for casual or one-time lookups, we tested each option with a variety of phone numbers, assessing how quickly the tools returned results, the quality of the information provided, and how intuitive the process was. 

We focused on the speed of retrieving basic data like name, location, and any additional social media profiles while considering whether or not the tool required account creation or other extra steps.

Based on these criteria, here are your best options:

• TruePeopleSearch: Easy to use, basic caller information available instantly, gives social media profiles if available
• Spokeo (Free version): Free, instant access to basic data like name, location, and sometimes social profiles

For Users Who Need In-Depth Information

If you need in-depth details or features, you need to go the paid route. To assess the best premium options, we tested several paid services with a mix of personal and business-related inquiries.

We evaluated the depth of information provided by reverse phone number lookup tools and the accuracy of their reports, including criminal records, address history, and other background details tailored to user needs.

Here are the best premium tools to find the most amount of information possible:

• Spokeo (Paid version): Offers in-depth reports about the caller's location history, social media, criminal records, and background information
• WhitePages (Paid version): Thorough background investigation capabilities, also includes a spam and scam reporting tool
• USPhonebook (Paid version): Detailed reports with age, addresses, emails, and social profiles

For Users Who Want to Block Spam Calls

We conducted a series of real-world tests by simulating a range of common spam call scenarios: telemarketing calls, robocalls, and scam attempts. The results were based on each tool's effectiveness at blocking or filtering those calls in real time, its ease of use, and the level of customization for managing blocked numbers.

The following tools performed the best in these tests:

• TrueCaller: Live caller ID, instantly mutes or blocks telemarketing and spam calls, a massive database for spam detection and blocking
• CallBlocker: Automatic spam call rejections, blocking, and whitelisting features, easy-to-use and lightweight app

For Users Who Need a Mobile-Friendly Tool

To determine the best mobile-friendly options, we tested each tool on both Android and iOS devices, focusing on how well the app performed on smaller screens, how easily it integrated with the phone's native caller ID, and how smoothly it handled real-time spam call detection and blocking while on the move. Based on these criteria, the following tools emerged as the best choices for users who need a mobile-friendly solution:

• TrueCaller: Real-time mobile caller ID, robust lookup and spam blocking features, available for both Android and iOS
• CallerSmart: Intuitive mobile app for number identification and spam blocking, free app for Android and iOS

For Users Who Want to Lookup Social Media Information

To determine the best tools for social media lookups, we tested each service with phone numbers that were publicly linked to social media profiles, as well as more difficult cases where social media presence was not immediately obvious.

We focused on the accuracy of the information provided, the depth of social media profiles uncovered, and how effectively the tools searched across multiple platforms (e.g., Facebook, LinkedIn, Instagram, etc.). Based on these tests, the following tools excelled at providing comprehensive social media insights:

• Spokeo (Paid version): Finds social media accounts linked to a phone number, also pulls additional data such as photos, location, and other personal details
• Pipl (Paid): Detailed social media and online presence search using a phone number, email address, or name

Summary of Recommendations by User Needs

Conclusion

With so many spam calls happening and the risk of potential scams by unknown callers, a reliable and free reverse phone number lookup app is a must-have.

Which tool you choose depends on your specific needs—whether it's privacy, comprehensive information, or spam protection. The options discussed in this guide are a great place to start. 

All these free and paid solutions offer great features and accurate information about unknown callers while respecting your privacy and budget constraints.

FAQs

What is a Reverse Phone Number Lookup?

Elsa

Reverse phone number lookup is a service that helps you find information about a person using their phone number. It works by searching public databases and records, and then pulling in relevant information about unknown callers.

Why Use Caller ID Lookup Tools?

Elsa

Caller ID tools let you see who’s calling before even picking up the phone. This can be helpful to protect yourself from potential scams and unwanted calls. These tools also save you time as you can skip the phone call if you know it’s from an unwanted number.

What Are the Advantages and Disadvantages of Using Free Reverse Phone Lookup Tools?

Elsa

The main advantages you get with reverse phone lookup tools are quick information retrieval of unknown callers and protection from spam calls. On the other hand, there are some disadvantages such as the information may be incomplete or inaccurate, and some services collect user data.

How to Protect Your Privacy While Using Free Reverse Lookup?

Elsa

Use reputed tools that don't require account creation or ask for too many permissions like your location, camera, or mic. Also, avoid sharing unnecessary personal information. If you want enhanced privacy features, consider using well-reviewed paid services.

Do I Need To Create an Account To Use These Services?

Elsa

Not always. Many tools offer basic caller information and free searches without account creation or hidden charges. Though there might be some ads or limited features with the free versions.