What is HLR number?

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  1. #delivery
  2. #subscriber
  3. #right
  4. #country
  5. #messages
  6. #mobile
  7. #network
  8. #technique
  9. #billing
  10. #normally
  11. #should
  12. #determine
  13. #together
  14. #check
  15. #roaming
  16. #lookup