Welcome to the HLR Lookup knowledge base.

Here you will find:

- All the information you need to get started with our API

- All the information you need to get started with our Batch Upload Service

- Frequently asked questions and all things HLR

Explore our docs using the navigation menu or enter a keyword into the search box.

If there's anything you don't understand feel free to raise a support ticket and a HLR engineer will respond.

HLR Lookup connects your application to the mobile networking system and provides a fast, reliable solution to validating mobile telephone numbers.