Phone Validation

Phone Validation

Phone number validation software

Quickly validate cell phone and landline phone numbers at the point of onboarding


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API for modern commerce

Validating customer phone numbers at the point of onboarding is critical to improving account protection effectiveness and customer experience during the now customary two-factor authentication (2FA) security process, while also ensuring you can effectively connect with customers during support and service cases, delivering premium customer experiences.  

  • Improves effectiveness of account security measures
  • Reduces invalid or incomplete account registrations
  • Delivers effective customer communications

Reach your customers, anywhere

Our phone validation API allows users to check the validity of phone numbers for every country in the world. Our solution goes beyond checking the length of the number by identifying the country location and carrier, giving you an increased level of security and confidence. 

  • Coverage for every country in the world
  • Deploy API easily and in minutes

Check a Phone Number

Check a phone number is valid with Loqate's software. Simply enter a phone number in the box below and select the country in which it's registered, then click "Validate".

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Go beyond number length
Go beyond number length

Our phone number validation identifies the country location and the carrier too.  

Worldwide connection
Worldwide connection

Our single phone validation API allows users to check the validity of phone numbers for every country in the world. 

Save on wasted fees
Save on wasted fees

Validated phone numbers means first-time success when calls are made and SMS messages are sent, avoiding additional spend. 

Improve customer communication
Improve customer communication

With the right phone number, you can keep customers informed throughout the sales journey, meaning better customer retention and repeat orders.  

Improve account protection
Improve account protection

Improve account protection effectiveness and customer experience during the now customary two-factor authentication (2FA) security process.

Remove guesswork
Remove guesswork

Confidently contact customers without wasting time or disturbing wrong numbers, keeping brand reputation intact. 

Works with all the well-known platforms

We provide an ever-increasing range of pre-built marketplace extensions so you can plug-and-play in a matter of minutes.


See our integrations

Developer resources

Wherever you are and whatever you need, using our solutions is simple. Our APIs seamlessly integrate into any global system, so you can be up and running in minutes.


Developers Hub



const url = "|52509479";
fetch(url, {
    method: 'POST',
    headers: {
        'Content-type': 'application/x-www-form-urlencoded'
.then(response => response.json())
.then(data => {
    if (data.Items && data.Items.length > 0 && typeof(data.Items[0].Error) === "undefined") {
        // Your address results e.g. console.log(data.Items[0].Line1);
.catch(error => console.error('Error fetching data:', error));


With Loqate, you’ll know where, better.

Data that’s clean, curated and correct

We put care into the selection, verification and enrichment of location data, combining machine learning with human expertise to curate our data so only the finest makes the cut.

Pinpoint precision, every time

Our data zooms into exact addresses and locations that other platforms can’t reach, removing the guesswork with the most detailed and accurate premise-level location data available.

Always evolving

From investing in new technology to enhancing the quality of our data, we’re always moving forward, finding ways to operate that are better, scalable and efficient.

Plug-and-play or tailor-made

Get the whole family of Loqate solutions or just pick the ones you need. With plug-and-play you can get going straight away, while tailoring your own suite is as easy as picking from a menu.

Solutions that work anywhere

Our APIs are designed to work with any system, wherever you are in the world. And with clear developer resources and channels for feedback and input, we’re with you every step of the way.

On our way to everywhere

We offer premise-level location data across 250 countries and territories in 6,500 languages – and are continually investing in new regions to bring accurate data to the world. 

"The address search technology from Loqate is a vital component in the success of giffgaff's online customer journey."
Riaz AliHead of Optimization
giffgaffRead more
"Number-wise, address verification does reflect in higher sales. [The product] is really indispensable now."
Michael PelletierIT Group Product Manager, International Systems
Williams SonomaRead more
"Loqate gives our customers the confidence that our products will arrive on time and to the right location."
Sandeep Suresh MehtaSenior Product Manager
FanaticsRead more
"Loqate is a trusted partner to IBM, we do a lot of business together on behalf of our joint clients. Loqate delivers trusted technology, good support and I would recommend them"
Dan SchallenkampOffering Manager
IBM CorporationRead more

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