Real-Time Number Intelligence, Built for Scale
TeleSystems Number Intelligence gives enterprises clean, accurate subscriber data — so every message reaches the right person on the right network.
- Instantly check if a phone number is active or inactive
- Detect if a number has been ported to another network
- Identify the current network based on prefix or real-time data
- Resolve network names using IMSI or MCC/MNC
Available via REST API for seamless integration into your existing stack. Not ready to commit? Try the free lookup tool as an accessible entry point.
Real-Time Phone Number Validation & IMSI Lookup
Ensure reliable communication with our real-time Number Lookup and IMSI Check tools. Instantly verify whether a phone number is active, disconnected, or unassigned, and access detailed carrier information such as country and network codes.
With built-in Mobile Number Portability (MNP) support, you can also determine if a number has been ported to another network.
Additionally, our service verifies the format of each phone number and corrects it if needed, ensuring your calls, messages, and marketing campaigns consistently reach the right recipients.
Take a glimpse of the technology for free
Get a feel for our Number Intelligence service by looking up individual numbers — no contract, no commitment.
Why are we doing this?
We understand how crucial reliable mobile data is for businesses. That's why we're offering this service for free—to help companies simplify how they resolve unreachable numbers, manage number portability issues, and maintain clean internal databases.
Need more than single checks?
For companies requiring bulk checks or high daily volumes, we also offer a contract-based model with API access and country-specific pricing — but single checks will always remain free!
Database Cleanup
Identify inactive or unreachable phone numbers to maintain an accurate contact database.
Customer Support & Verification
Resolve tickets faster by checking if a number is active or has been ported to another network.
Marketing Campaign Effectiveness
Ensure phone numbers are valid before sending SMS or outbound marketing campaigns, improving ROI.
Fraud Prevention
Validate phone numbers during registration to prevent fake or fraudulent accounts.
Carrier Identification
Use IMSI or MCCMNC lookup for detailed carrier and network information, useful for telecom and VoIP providers.
Telecom Network Insights
Determine network information, including portability, to better route calls or messages.
Get Access in 3 easy steps
Getting started with our Number Lookup tool is quick and easy. Simply complete the request form, let us evaluate your submission, and receive an API key to unlock free access to real-time number insights.
Fill Out the Form
Fill out the form below to request access.
Request Evaluation
Our team will review your submission and provide you with instructions tailored to your needs while reviewing your specific use cases.
Start Using the Tool
Use your API key in the Number Lookup tool to access free and accurate number validation.
Request Access
Once you submit the form, our team will quickly evaluate your request and provide:
- A personalized response with access details.
- Clear instructions on how to use the API key with the tool.
- A quick-start guide for maximizing the tool's value.
Need Help?
If you have any questions about the Number Lookup Tool or the access request process, feel free to get in touch with our support team.
We're here to help!