You can call QuickBooks Premier support customer service at 1.855.550.0692/1.888.850.3930 (INTUIT). You can also contact QuickBooks Checks & Supplies at. Get in touch with us at QB Support Number 1.855.550.0692/1.888.850.3930 Intuit's QuickBooks Premier support + 1.855.550.0692/1.888.850.3930 is typically available during business hours, with extended support hours depending on the region or specific product plan. It’s recommended to check the official QuickBooks website for current hours and availability.