Blockchain Customer Service — Com Number | Call Nowat < +1(805).805.0989> Blockchain (.com), the decentralized app, makes sending and receiving currency seamless. But if you face any issues, learning how to contact Blockchain walletcustomer service is crucial. The Blockchain walletCustomer Service phone number isat < +1(805).805.0989>. You can also write about your Blockchain walletissues at #. Otherwise, you can submit a ticket on the Support page of the app. There is also a dedicated FAQ (frequently asked questions) section on the support page. It has answers to common issues that users face.