Will Coinbase contact you by phone?

Yes, Coinbase does provide live chat support, but it may initially start with a chatbot before escalating to a live agent if necessary. Live chat can be accessed through both the Coinbase website and the mobile app, offering users a convenient way to get real-time assistance.

Source: https://support.google.com/phoneapp/thread/308503461?hl=en&sjid=17028472620623284401-AP