Target your SMS campaigns to the dot

HLR Look Up ensures that your SMS campaigns always reach their recipients and that you maximize your ROI. Make sure you only send out to valid phone numbers and retrieve extra information on country, operators and more.

Filter out invalid phone numbers

HLR Look Up: your trusted partner per effective Campaigns

In the realm of SMS marketing, reaching the correct audience at the right time is essential and our HLR Look Up service is precisely the solution you need to achieve this. This service acts as a potent tool in your marketing arsenal by validating the status and availability of a phone number prior to the dispatch of a message.

By leveraging our HLR Look Up service, you gain the assurance that your messages are being delivered to their intended recipients. This not only optimizes your communication strategy but also plays a significant role in reducing wasteful expenditures associated with unsuccessful message deliveries.

Imagine the impact on your bottom line when every SMS you send is effectively targeted. Your cost per lead decreases and your return on investment significantly increases, leading to a more streamlined and effective SMS campaign. In an age where every marketing dollar counts, such efficiency can provide you a competitive edge.

Furthermore, with our HLR Look Up service, you also mitigate the risk of infringing on privacy regulations. By ensuring you only message active and valid numbers, you respect the privacy of individuals and maintain your brand’s reputation for considerate communication.

So, make the smart move and embrace our HLR Look Up service. Experience firsthand the efficiency and effectiveness it brings to your SMS campaigns, and see how it can transform your communication strategies, reduce costs, and maximize your marketing returns.


Unlock the power of efficient communication with our HLR Look Up service.

Designed to ensure your messages always find their mark, this innovative tool verifies the validity and availability of mobile numbers before your messages are sent.

The result? No more wasted resources on unsuccessful deliveries. Instead, you benefit from cost-effective campaigns with higher success rates and a significant boost in your ROI. Beyond cost savings, our HLR Look Up service enhances your customer engagement by reducing unwanted or failed communications, protecting your brand’s reputation for reliable and respectful messaging.

Step into the future of SMS marketing with our HLR Look Up service – where every message counts and every customer matters.

HLR Look Up can also provide additional information about phone numbers, such as country and operator, allowing for more precise segmentation of campaign recipients.

How it works

Navigate the world of SMS marketing with precision and confidence using our HLR Look Up service. It operates on a simple yet robust principle: before your message takes flight, it verifies the ‘flight path.’ In more practical terms, our service checks the validity and accessibility of every mobile number on your SMS campaign list. By querying the Home Location Register (HLR), the central database for all mobile subscribers, our service determines whether a mobile number is active, reachable, and ready to receive your message. This means you’re not shooting in the dark; every SMS you send is targeted, purposeful, and has the maximum chance of reaching its destination.

Embrace our HLR Look Up service and turn the complexities of mobile number validation into a streamlined, automated process, setting your SMS campaigns up for unmitigated success.

HLR Look Up comes in a number of options to suit your needs. Request the service on-demand by purchasing a package or paying for individual requests. Or, subscribe to a monthly/annual plan for unlimited access. Our API integration lets you perform phone number checks automatically. And, you can include HLR Look Up in your SMS marketing service package, which comes with features like personalized messaging and content checking.

Why you need it

In the dynamic landscape of business communications, effectiveness is everything. Our HLR Look Up service is the ultimate tool your company needs to amplify the success of your SMS campaigns.

Why invest in messaging that may never reach its intended target? With our service, you can validate the status and reachability of mobile numbers before sending, ensuring that your messages are not just sent, but received.

This accuracy reduces wasted resources, cuts unnecessary costs, and enhances the efficiency of your communications.

But it’s more than just about cost-saving; it’s about respect for your customers’ experiences. By minimizing failed deliveries or intrusive messages to inactive numbers, you preserve your brand image and foster stronger, more meaningful customer relationships. Our HLR Look Up service is not just an investment in smarter communications; it’s an investment in the growth and reputation of your company.

Our service verifies the validity and status of mobile phone numbers. Accessible via API for system integration and automation, it provides reliable phone number verification and returns information such as country, carrier, number status (active or inactive), and more. Avoid wasting resources and time by only sending messages to active and valid numbers. Additionally, the service improves contact data quality and identifies inactive or invalid numbers.

Get access to key insights

Ensure maximum effectiveness of your SMS marketing campaigns with HLR Look Up, check the validity of phone numbers and improve your customers’ experience.

Check phone number validity

Filter out any invalid phone numbers 
to maximize SMS return of investments

Detect country
and operator

Gain key insights to further segment 
your SMS campaigns


Feed your information flow
with the replies you collect

Explore the knowledge base

Unveil the secret to achieving the highest efficiency in your SMS campaigns with our HLR Look Up service. It functions as the perfect secret sauce, the magic ingredient that ensures your messages find their way to their intended targets every time. 

Our detailed technical documentation serves as an invaluable treasure map, guiding you through the sea of communication complexities. This comprehensive guide lays out the intricacies of our HLR Look Up service in an easy-to-understand format. It empowers you to make the best use of this powerful tool, illuminating every feature and its application to enhance your business communication.

But the journey doesn’t end at understanding the features; we also provide insights on how to integrate our HLR Look Up service seamlessly with your existing systems. Regardless of the complexity or diversity of your infrastructure, our guide assists you in blending our service into your systems with the utmost ease. Our goal is to enable you to operate like a true pro, getting the most out of our service and maximizing its potential benefits for your business.

Embark on this journey with our HLR Look Up service and discover how it can transform the landscape of your business communication, driving greater success and effectiveness in your SMS campaigns.

Why trust us

Trusted by thousands of
companies worldwide.

20 years as market leaders in Italy and rapidly growing internationally

Support team at your side 24/7 for your peace of mind

Let's do this

For big-league companies, aggregators, and enterprises craving max profits without skimping on top-shelf deliverability,
we’re the guerrilla team you’ve been looking for.

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