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HLR Lookup

HLR Lookup

Mobile Number Portability (MNP) has increased in popularity - this allows mobile phone users to change to an alternative network, but retain their original number.

With many changing network and mobile number so as to get the most recent handset this presents an increasingly difficult challenge to guarantee the successful delivery of text messages.

World Text's HLR Lookup service allows you to check the validity of a mobile number, reducing your costs spent on undeliverable messages due invalid or out of date information.

Who and for what should HLR Lookup used for?

  • Financial Organisations
  • Marketing Organisations
  • Contact Centres
  • Emergency Rescue Callout
  • ID Validation for Fraud Prevention
  • Mission Critical Responders
  • Any Contact Database
  • Call termination

Key benefits

  • Save Money - No more sending messages to invalid numbers
  • Cleans Database - Prompt for contacting client or colleague for updated details
  • Fraud Prevention - Knowing the location and the IMSI helps with authentication
  • Improve Customer Relations - Stop your customers from receiving unwanted calls while abroad

How often?

We recommend that you clean your database of numbers on a regular basis, for important communications this should be scheduled to run as often as you can.

Network coverage

HLR Coverage

For a list of networks currently supported please see here.

Choose between live lookups (RTLU) and cached database number portability lookups (NPLU).

What's included? HLR Lookup
Destination yes
Status yes
IMSI yes


Service Type HLR Lookup
Cost per lookup 2 credits (£0.0083 - £0.0116)

Bulk discounts available. Please contact us for further information and to discuss your needs.

  • Prices quoted are subject to VAT.
  • Exact cost will be dependant on your account terms.

Service notes

Please be aware that this service has a specific coverage list, please contact us to discuss your requirements.

To have this service enabled on your account please contact us.


Free trial account

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