HLR Lookup
Number validation, handset status and location reporting

Using the World Text HLR Lookup service you are able to interrogate a mobile number to determine its validity, network it belongs to, current network roaming on (if abroad) and country currently in.

Types of users

  • 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

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
Number Queried yes
Current Status yes
IMSI (MCC - Mobile Country Code and MNC - Mobile Network Code yes
*Current Location (Country) yes
*Current Network yes

*Optional parameters, where available.

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.


Cost per lookup is 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 if post-pay or the amount of credits purchased if pre-pay.