10 Best Phone Number Lookup Tools (Free & Paid) in 2025

You’ve found a potential lead or business contact, but you don’t have their phone number.

Maybe you saw someone on LinkedIn, got a referral, or added a prospect to your list, but without the right phone number, your outreach stops.

In this guide, we’ll show you the 10 best phone number lookup tools (both free and paid) in 2025, so you can find accurate data:

• Free tools: LinkedIn, Google, and Whitepages for basic phone lookups.
  
  
• Paid tools: LeadsForge, Cognism, and SalesIntel for real-time verified phone numbers.

With these tools, you’ll save time, avoid dead numbers, and reach the right people faster.

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TL;DR – 10 Best Phone Number Lookup Tools (Free & Paid) in 2025

1. LeadsForge – Best for reliable, verified phone numbers from multiple sources.
   
   
2. NumLooker – Ideal free tool for phone number lookups with extra details.
   
   
3. Cocofinder – Great for free reverse phone lookups with names and addresses.
   
   
4. Truecaller – Ideal for identifying unknown callers and basic reverse lookups.
   
   
5. Apollo.io – Best for quick phone number lookups for sales and marketing.
   
   
6. Cognism – Best for sales teams needing verified contact info.
   
   
7. Whitepages – Ideal for detailed U.S.-based phone lookups.
   
   
8. Wiza – Perfect for LinkedIn-based phone and email lookups.
   
   
9. SalesIntel – Best for real-time, verified phone numbers for B2B sales.
   
   
10. Lusha – Ideal for verified phone numbers and emails with free credits for basic lookups.
    

10 Best Phone Number Lookup Tools (Free & Paid) in 2025

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1. LeadsForge - Best Phone Number Lookup Tool for Verified Contacts

G2 Rating: 4.3/5
Pricing: 100 free credits, Paid plans starts at $49/month for 2,000 credits per month

If you're looking for the most accurate and reliable way to look up someone’s phone number, LeadsForge is the best option. 

With access to a 500M+ verified contact database and real-time verification, you can trust that the phone numbers you get are accurate.

You get 100 free credits when you sign up, so you can try the service before committing.

How It Works:

1. Go to LeadsForge and create a free account.
   
   
2. Use your 100 free credits to start looking up phone numbers instantly.
   
   
3. Enter the person’s name or the type of company you want to contact in the search bar.
   
   
4. Get their verified phone number, email address, LinkedIn profile, and other contact details in seconds.

5. Sync the data with your CRM or outreach tools for faster follow-ups.
   
   

Pros and Cons of Leadsforge

Here’s what users on G2 have to say about Leadsforge:

LeadsForge offers a simple and reliable way to find verified phone numbers. 

With 100 free credits to start, you can test the service and see how well it works before committing. 

If you need fast and accurate phone numbers, LeadsForge is the best tool for you.

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2. NumLooker - Free Phone Number Lookup Tool

G2 Rating: N/A

Pricing: Free

If you're looking for a free and simple way to identify the person behind an unknown phone number, NumLooker is your go-to option. 

With NumLooker, you get instant access to basic details like the owner's name, location, and social profiles, for free. 

NumLooker pulls information from public records, providing details such as age, address, and even social media profiles.

Here’s how it works:

1. Visit NumLooker and enter the phone number in the search bar.

2. Click Search Now to instantly receive results with the phone owner's name, location, and social media profiles.
   
   
3. You don’t need to sign up or pay. It’s completely free for basic lookups.
   
   

Pros and Cons of NumLooker

NumLooker is the best free tool for those who need a quick and confidential phone number lookup. 

It’s perfect for identifying unknown callers, confirming identities, or checking up on unfamiliar numbers.

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3. CocoFinder - Ideal Phone Lookup Tool for Identifying Unknown Callers

G2 Rating: N/A 

Pricing: Free

CocoFinder offers a free reverse phone lookup service, allowing users to easily identify the owner of any phone number. 

By entering a phone number, you can access basic details like the owner’s name, address, and even social media profiles.

If you need more detailed information, such as email addresses, family members, or property details, CocoFinder provides paid reports for a more comprehensive background check.

Here’s how it works:

1. Go to the CocoFinder website and find the reverse phone lookup tool.
   
   
2. Enter the phone number you want to search.

3. Click Start Search to receive the available results, including the name, address, and social media profiles of the person associated with the number.
   
   
4. No sign-up is required for the free lookup.
   
   

Pros and Cons of CocoFinder

CocoFinder is an excellent tool for quickly identifying an unknown phone number. The service is free for basic lookups, offering name, address, and social media profiles. 

It is ideal for anyone needing a quick and easy way to find out more about an unknown phone number.

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4. Truecaller - Ideal Phone Lookup Tool for Identifying Unknown Callers 

G2 Rating: 4.2/5

Pricing: Free for basic phone lookups

Truecaller helps you quickly identify unknown callers and block spam calls. 

It’s perfect for finding out who’s calling when the number is not saved in your contacts. The app also helps you know if the call is from a scam or telemarketer.

Here’s how it works:

1. Download the App
   
   
2. Enter the phone number you want to look up.
   
   
3. Truecaller will show the name, location, and whether the number is marked as spam.
   
   
4. You can block numbers marked as spam directly in the app.
   

Pros and Cons of Truecaller

Truecaller is a great tool to identify unknown callers and block spam calls. 

The basic service is free, offering name and location info for phone numbers, along with spam identification. 

For more advanced features, like call recording and additional search capabilities, you can opt for a premium plan.

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5. Apollo.io - Best Tool for Business Phone Number Lookup

G2 Rating: 4.7/5

Pricing: 100 free credits per month, Plans start at $59/month

Apollo.io is a sales and marketing platform that helps you find verified phone numbers for business contacts. 

It is designed to make prospecting, outreach, and deal management more efficient. 

With Apollo, you can easily find phone numbers, emails, and social media profiles, all in one platform. 

Here’s how it works:

1. Create an Apollo account (free plan available with 100 credits).
   
   
2. Use filters like job title, company, and location to find your ideal leads.
   
   
3. Access direct dial numbers, emails, and more for your prospects.
   
   
4. You can integrate Apollo with your CRM to keep track of your leads and manage outreach seamlessly.
   

Pros and Cons of Apollo.io

Here’s what users on G2 have to say about Apollo:

If you’re looking for a powerful tool to find verified phone numbers for your business leads, Apollo.io is an excellent option. 

It helps you search for accurate phone numbers and integrates with your sales pipeline to boost outreach. 

Before you consider Apollo, we would like you to go through this detailed Apollo review.

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6. Cognism - Ideal Phone Lookup Tool for B2B Sales Teams

G2 Rating: 4.6/5

Pricing: Custom 

Cognism is a B2B sales tool that offers a powerful way to find verified phone numbers for professionals across the globe.

 It’s specifically designed to help sales teams by providing direct dial numbers and mobile phone numbers verified with their Diamond Data® technology. 

This makes sure that the phone numbers you get are accurate, so you won’t waste time calling the wrong contacts.

Here’s how it works:

1. Start with a free trial and get access to 100 credits.
   
   
2. Use advanced filters like job title, location, company size, industry, and more to target the right prospects.
   
   
3. With Diamond Data®, you get direct mobile numbers and verified business phone numbers for your prospects.
   

Pros and Cons of Cognism

Here’s what users on G2 have to say about Cognism:

Cognism is a great tool for businesses that need accurate and verified phone numbers for decision-makers. 

Its Diamond Data® ensures you’re calling the right person, and the platform integrates seamlessly with CRMs.

Related Read: Cognism Pricing Explained: Pros & Cons To Know Before Buying

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7. Whitepages - Ideal Phone Lookup Tool for Identifying Unknown Callers

G2 Rating: 5/5

Pricing: Free

Whitepages is one of the best free tools for looking up phone numbers in the U.S. 

It works as a digital phonebook by pulling data from public records to provide personal and business phone numbers. 

You can search for landline numbers, cell phone numbers, and even verify carrier information. 

Here’s how to use Whitepages for phone lookup:

1. Visit whitepages.com and click on “People Search”.

2. Type in the person’s full name and location (city or state) for more accurate results.
   
   
3. Review the search results. Profiles are matched based on the location, age, and known addresses.
   
   
4. If a phone number is publicly listed, you will find it within the profile.
   

Pros and Cons of Whitepages

Whitepages is an excellent tool if you need a quick and free way to identify who's calling. It helps users avoid spam calls and can even verify the identity of the caller.

Its Reverse Phone Lookup feature allows you to trace a phone number and see the owner’s name, address, and whether the number is linked to spam.

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8. Wiza - Best Phone and Email Lookup Tool for Efficient Prospecting

G2 Rating: 4.5/5

Pricing: 5 free phone numbers, $49/month for 100 phone numbers

Wiza is a powerful prospecting tool that helps you find accurate contact information like email addresses and phone numbers. 

Unlike traditional databases, Wiza uses real-time data, ensuring the information you receive is up-to-date and verified. 

It is especially useful for sales teams, marketers, and recruiters who need to quickly gather verified contact details for prospects, candidates, and leads.

How It Works:

1. Sign up for a free account or choose a plan that fits your needs.
   
   
2. Use the Chrome extension to find verified emails and phone numbers across the web.

3. Bulk export your findings directly to a CSV file or sync them with your CRM for easy outreach.
   
   
4. Wiza ensures real-time prospecting, providing instant access to accurate contact details.

Pros and Cons of Wiza

Here’s what users on G2 have to say about Wiza:

Wiza offers quick, real-time prospecting for anyone needing verified contact information. 

Whether you’re building targeted email lists, finding phone numbers for cold calling, or enriching your CRM data, Wiza delivers accurate results. 

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9. SalesIntel - Best Phone Number Lookup Tool for Real-Time Prospecting

G2 Rating: 4.3/5

Pricing: Custom (Contact for details)

SalesIntel is a robust platform for finding verified phone numbers and emails, particularly useful for B2B sales teams, marketers, and recruiters. 

It focuses on providing up-to-date contact information through its human-verified database. 

With over 48 million mobile numbers and continuous data verification, SalesIntel ensures that your prospecting efforts yield reliable and accurate results.

Here’s how to use SalesIntel for phone lookup:

1. Create an account and choose a plan that fits your team’s needs.
   
   
2. Install the free Chrome extension to find verified phone numbers.
   
   
3. Bulk export the data to a CSV file or sync directly with your CRM for streamlined outreach.
   

Pros and Cons of SalesIntel

Here’s what users on G2 have to say about SalesIntel:

SalesIntel is perfect for teams that need accurate phone numbers. 

It’s especially useful for sales, marketing, and recruiting teams looking to gather verified contact information quickly. 

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10. Lusha - Best Phone and Email Lookup Tool for Quick Prospecting

G2 Rating: 4.3/5

Pricing: Free for 40 credits/month; Paid plans starting at $29.90/month

Lusha is an ideal tool for quickly accessing verified phone numbers and email addresses. 

It offers a free plan with 40 credits per month, allowing you to look up contact details for professionals.

Here’s how to use Lusha for phone lookup:

1. Register for a free account on Lusha.
   
   
2. Use the Chrome extension to search for professionals by name or company.
   
   
3. Access contact details from LinkedIn or company websites.
   
   
4. Reveal a phone number or email for 1 credit or 5 credits for a phone number.
   
   
5. Remember, you get 40 credits monthly, so save the contact details right away.
   

Pros and Cons of Lusha

Here’s what users on G2 have to say about Lusha:

Lusha is perfect for small-scale prospecting, where you need just a few verified phone numbers or emails. 

It’s easy to use, integrates with your CRM, and provides accurate, up-to-date contact information. If you need more credits or features, upgrading to a paid plan is simple.

Also Read: 10 Best Lusha Alternatives & Competitors For Lead Finding

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Paid vs Free Phone Number Lookup Tools: Which Should You Use?

Choosing between free and paid phone number lookup tools depends on your needs, how accurate you want the data, and how many contacts you need to verify. 

Here’s a comparison to help you decide:

Free tools are suitable if you only need to verify a single contact or do occasional lookups.

However, for consistent, reliable results, especially for sales, recruiting, or lead generation, paid tools are much more effective.

LeadsForge is a great option because it offers 100 free credits to get you started, and you can upgrade when you need more. 

Whether you need a few verified phone numbers or hundreds, LeadsForge provides a flexible solution.

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Conclusion

Choosing between free and paid phone number lookup tools depends on what you need:

• Free tools are good for occasional lookups or when you just need basic information.
  
  
• Paid tools like LeadsForge give you more accurate and up-to-date contact details for consistent use.
  
  

LeadsForge helps you find verified phone numbers quickly and easily. It's perfect for sales, recruiting, and outreach.

• Get real-time verified phone numbers
  
  
• Lookup multiple numbers at once
  
  
• Start with 100 free credits
  
  

If you need a reliable tool to find the right contacts, LeadsForge is a great choice. 

Try Leadsforge now with 100 free credits!