Drupal 7 / Ubercart 7 - Add Mobile Number to Contact Form

Drupal core 7.67 / Ubercart 7.x-3.13

https://www.drupal.org/forum/support/module-development-and-code-questions/2006-09-11/field-for-phone-number-on-contact

https://www.metaltoad.com/blog/how-add-field-drupal-contact-form


https://www.drupal.org/project/webform

https://www.drupal.org/docs/7/core/modules/contact/overview