Pass URL Params to a Telephone Button Link

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I’m looking to add parameters to a landing page that will switch out phone numbers on button links.
Can anyone help me achieve this?

One Generic Landing page -> URL Param would be something like ?from=facebook
The Buttons on that page would be 123-123-1234 and the link on the buttons would be href=”tel:123-123-1234″

if it was ?from=twitter
The Buttons on that page would be 666-666-6666 and the link on the buttons would be href=”tel:666-666-6666″

lastly if there was no URL parameters present it would be a different generic number like 444-444-4444

thanks for your time

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