Updating your number database without calling subscribers
Save up to 40% of your SMS campaign budget using
HLR query services.
HLR query workflow
Upload list
Upload your prepared list of subscriber numbers that need verification.
Start service
Processing the subscriber list.
Receive reports
Based on the verification results, the system will generate detailed reports.
What data is included in the reports
Affiliation with a telecom operator
Which mobile network operators the numbers belong to (even after number porting)
Regions and time zones
To help you better plan your budget and schedule for upcoming campaigns
Subscriber availability when choosing HLR
If you select the HLR service, the report will indicate whether the subscribers are currently online, even if they are roaming.
How does the service activation process work?
1. Request a consultation
Contact our team via the feedback form or by phone. We're ready to answer all your questions and help you choose the best solution for your business.
2. Sign the contract
Once you've selected the HLR query service, we will agree on a service agreement. This ensures transparency and protects your interests.
3. Service launch
The system will analyze your database and provide accurate statuses for each subscriber, enabling you to optimize your budget moving forward.
4. Reporting
In the reports, you'll receive precise information about each number's carrier affiliation, subscriber region, and other details depending on the selected service options.
For all business sectors interacting with clients
Verified the availability of 2.6 million subscriber numbers before launching their outbound calling campaign
Launched promotional and service SMS campaigns, sending over 1 million messages monthly
While thousands of SMS messages are being sent every second, customer orders are already being forwarded for delivery
The HLR query service can help you save up to 40% on your SMS campaign budget. HLR (Home Location Register) queries allow you to check if a phone number is active and reachable. They also identify the carrier, the subscriber's region, and the time zone, helping you exclude numbers currently abroad. This service is essential for verifying your contact list before sending out campaigns, ensuring that your numbers are active. It also helps you remove inactive numbers from your database, so you don't pay for messages that won't be delivered. Additionally, you can find out which operator a number belongs to, even if the subscriber has switched providers but kept their number. This helps improve the efficiency of your outreach efforts.
Why choose Unibell's HLR queries?
By choosing Unibell, you get a reliable solution that will help your business grow and develop, ensuring safety and convenience for your clients.
Cost savings on campaigns
Pay only for communication with active customers. Eliminate expenses on inactive numbers, reducing wasted budgets.
Speed and automation
Unibell offers quick verification of large databases, streamlining your contact list checks.
High data accuracy
Direct queries to the databases of the "Big Four" mobile operators guarantee real-time, accurate status for every number.
Support services
We provide 24/7 technical support and flexible pricing plans tailored for both small businesses and large retail chains.
Don't overpay for messaging services.
Learn how to check and remove inactive numbers from your database
Frequently asked questions
What data can be obtained through an HLR query?
HLR queries provide information about the operator, region, time zone, subscriber availability, and whether the number is in roaming.
Are there any contact database size restrictions?
Yes, we work with databases starting from 1,000 contacts. That’s the minimum volume required to begin processing.
What is an HLR query and how does it help in updating the database?
An HLR (Home Location Register) query checks if a phone number is active, identifies the operator, region, and time zone, and detects if the subscriber is abroad.