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/admanager/thread/306461116?authuser=7&hl=en&sjid=1555740295486256233-AP