Contact Us NAPA Training Service Center Contact us at (800) 292-6428 8:00 AM - 5:00 PM ET. Problems with Web-based Training? If you are having problems using your online training courses, please review our Frequently Asked Questions (FAQ) page, or send an email to [email protected]. Please include the eLearning course name along with your name. Problems Ordering? If you are having trouble ordering, please send an email to [email protected]. Feedback? We always welcome your comments and feedback, so please email your comments and suggestions to [email protected]. We will return all calls and emails within one business day.