This guide provides instructions on how to create a Form or Answer Custom Field of the ‘mobile’ type in LeadsHook. This type of custom field allows you to store mobile phone numbers in your custom fields.

Phone numbers are stored to E.164 format so these numbers can be used for sending SMS as well.

What is E.164 format?


Mobile type custom fields in LeadsHook provide the ability to collect and store your leads’ mobile phone numbers in a standardized format. By following this guide, you can smoothly create mobile type custom fields in your forms and answers.


  • Can I store both local and international phone numbers in ‘mobile’ custom fields?
    • Yes, both local and international phone numbers can be stored as they will be saved in the standardized E.164 format.

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