How to validate a Phone Number in Node.JS

In this lesson, I’m going to demonstrate for you a method for validating phone numbers, and it’s going to be a piece of cake. There are many reasons to filter out fake phone numbers — saving time for your customer service reps and weeding out fake form submissions, to name a couple.

To begin with, we need to install our API client.

npm install cloudmersive-validate-api-client --save

With access now available to our API functions, we can call this one for phone number validation:

var CloudmersiveValidateApiClient = require('cloudmersive-validate-api-client');
var defaultClient = CloudmersiveValidateApiClient.ApiClient.instance;
// Configure API key authorization: Apikey
var Apikey = defaultClient.authentications['Apikey'];
Apikey.apiKey = 'YOUR API KEY';
// Uncomment the following line to set a prefix for the API key, e.g. "Token" (defaults to null)
//Apikey.apiKeyPrefix = 'Token';
var apiInstance = new CloudmersiveValidateApiClient.PhoneNumberApi();
var value = new CloudmersiveValidateApiClient.PhoneNumberValidateRequest(); // PhoneNumberValidateRequest | Phone number to validate in a PhoneNumberValidateRequest object.  Try a phone number such as \"1.800.463.3339\", and either leave DefaultCountryCode blank or use \"US\".
var callback = function(error, data, response) {
if (error) {
console.error(error);
} else {
console.log('API called successfully. Returned data: ' + data);
}
};
apiInstance.phoneNumberSyntaxOnly(value, callback);

And there you have it. Your phone number validation problems are solved! This same API offers a ton of similar functions, including email and mailing address validation, which can be great time savers for any business.