HLR Number Lookup

Zentech SMS’s HLR Number Lookup system enables querying of mobile numbers for existence and status check. You can filter out the invalid numbers from the database to save costs from sending out messages that will never be seen nor answered. The HLR Lookup System offers clients multiple interfaces to facilitate submission of lookup queries to the HLR Server.

Key features of HLR Number Lookup include:

  • Basic number lookup validations
  • Advanced number lookup validation
  • Error code preventing SMS delivery
  • MSISDN, IMSI, MCC (country) and MNC (operator) retrieval
  • Subscriber’s availability confirmation