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Best Phone Number Validation Tools 2025

Phone number validation tools and APIs allow developers to identify callers into a business or fill out incomplete data residing in a CRM or other systems, with data from outside services. This allows the user to verify contact information and improve overall customer data quality.

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Learn More about Phone Number Validation Software

What are Phone Number Validation Tools?


Phone number validation tools and APIs provide users with the ability to verify calls coming into their business for information accuracy. Caller identification isn’t always highly prioritized and can often go overlooked. But having a system that automatically verifies contact information can improve the overall quality of your customer data.


With the number of spam, telemarketers, and fraud callers increasing, it’s important to know that your business isn’t at risk or could face security threats down the road. Phone number validation tools can protect against this by analyzing phone number values and checking for validation. They are also capable of using outside services to augment incomplete data residing in a CRM or other systems. Other systems that are closely related to the functions of phone number validation tools include:




Phone Number Validation Tools Features


Some of the most common features phone number validation tools provide are:


  • Validation from numbers worldwide

  • Phone number geolocation

  • Quick response time

  • Bot detection

  • IP health check

  • Bulk validation

  • Real-time API



Phone Number Validation Tools Comparison


Before choosing to invest in a phone number validation tool, consider the following key points:


  • Business Size: Business size should play a role in determining which validation tools to use, and may also factor into how much you are willing to spend. For smaller businesses that do not get a high volume of calls, it may not make sense to spend more on a product that offers protection for a larger number of calls.


  • Ease of Use: Phone number validation tools that are easy to set up and use help save the user a lot of time. These products are ideally meant to be set up and forgotten, with little to no maintenance. Having to constantly adjust the software could make the investment less worth the time.


  • Customer Support: Due to the security threats that these products are protecting against, it’s important to know your business has customer support readily available. Before deciding to purchase a certain product, research the amount of customer support each product offers.


Pricing Information


Pricing for phone number validation software can be customized to the needs of the user. Some vendors, such as ClearoutPhone, have a credit-based pricing system (1 credit = 1 phone call).


These are usually set up as a one-time pay-as-you-go model or billed monthly. Prices can range from $5 to $1000 a month, depending on the phone call volume you plan to receive and the amount of protection you desire.


It is best to speak to a vendor representative to determine the right price for your business. Some vendors will offer a free version of their product with limited features, as well as a free trial.


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Phone Number Validation FAQs

What do phone number validation tools do?

Phone number validation tools protect users from phone calls that could be spam or a threat to their business. They do this by verifying the authenticity of each call the business gets. They are also capable of retaining call information for future reference as well as determining the location of the caller.

What are the benefits of using phone number validation tools?

The biggest benefit to using phone number validation tools is the peace of mind that your business is being protected from outside threats. Using these tools allows you to focus on your business and further increase productivity.

How much do phone number validation tools cost?

Prices can range from $5 to $1000 a month, depending on phone call volume and the amount of protection you desire. Interested buyers should speak with a representative to determine the right price for your business.