which vendor module will be utilised for company_address_before_save plugin magento 2

Can someone suggest me that which vendor module will be utilized if I want to create before plugin for company address save.

As per me, we will use company_address_save_before.
My confusion is that while creating a plugin we specify –

I am confused that what will be used on the place of xyz if I want to create before plugin to override telephone field of company address.

Thanks,
Rashi