Check mobile and landline phone numbers are valid

Phone calls are still the most efficient way to get an immediate response from your contacts and, with over 83 million mobile handsets in the UK, most people now carry a phone with them at all times. Text messages are a very convenient way to keep customers updated with their order status, or exclusive offers. Avoid wasted resources, check phone numbers exist before you get in touch.

Save on wasted fees

Avoid paying for delivery notifications or SMS messages that can't be delivered by sending to numbers you know exist.

Reach actual people

Connect with real customers for fast and efficient communications at each stage of your sales funnel.

Customer satisfaction

Improve retention and repeat order rates by keeping users informed throughout your customer journey. 

Phone Validation features

Our phone validation service goes way beyond checking the length of the number, we can guarantee you have captured a real number alongside many more details about the number.  

Number validity

Discover if phone numbers are valid and whether they are currently available for receiving calls or SMS messages.

Mobile Network & roaming

Find out what country a number is located in, which carrier, if and where it’s roaming, and if the number is ported.

Real-time queries

We retrieve current information about each number - results are not cached so are always accurate and up-to-date.

Flexible API

Access the insights you need and choose when to validate - at point of capture, pre-send or as a batch cleanse.


Collecting customer details in your ecommerce checkout?
Try validating customer email, phone AND address details in your checkout form.

Where to use Phone Number Validation

On websites

Check numbers captured in your online forms are accurate.

In apps

Capture accurate numbers in forms contained within your apps.

In your CRM

Check numbers taken over the phone are valid and entered correctly by staff.

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