Spanish phrase
Contáctame por ~.
Meaning
Contact me by ___.
When to use it
Requests contact by a specified method. Used as a casual directive among colleagues to ask for phone, email, or messaging contact, with low formality.
Example dialogue
Detecté un error en la presentación.
I detected an error in the presentation.
Contáctame por correo cuando puedas.
Contact me by email when you can.