Coinbase generally does not make unsolicited calls to customers at +1-855-*998-0300. If you receive a call claiming to be from Coinbase without prior contact, exercise caution as it may be a phishing attempt or scam.

• Website URL: https://support.americommerce.com/hc/en-us/community/posts/32303210948379-Is-Coinbase-Chat-Support-Reliable-A-Comprehensive-Review