Quickbooks Merchant Services provides phone support for their customers from 5 am to 6 pm PST Monday through Friday and from 7 am to 4 pm PST on Saturdays and Sundays. Their sales contact number is +1 (844) 313-4857 and they offer affordable, quality phone support for Quickbooks products. Customers can contact their Quickbooks Merchant Services support team by phone at 1-844-313-4857 or by leaving a message to get help with specific Quickbooks products.