By Phone Call 1-800-637-0123 or 603-448-2800. A customer service representative is available Monday-Friday, 7 days a week between 5am and 5pm. After hour calls are handling by the Concord Coach Lines Information Center in Concord, NH.   Email This e-mail address is being protected from spambots. You need JavaScript enabled to view it All email is answered Monday-Friday by a representative from Dartmouth Coach during the business day. For questions about schedules or fares, please note that our website contains up-to-date information and can often answer your question quicker than an email. When emailing, please provide the following: location you are traveling from, location you are traveling to and the date you plan to travel.   Mailing Address All regular mail for Dartmouth Coach is sent to the Dartmouth Coach corporate office in Concord, NH: Dartmouth Coach 7 Langdon Street Concord, NH 03301   Customer Feedback Customer feedback is always welcome, and we appreciate those passengers who take the time to let us know what was good or what can be improved about our service. Emails that include complaints or concerns will be forwarded to the appropriate department. Once a complaint or concern has been reviewed and investigated, we will send a reply, but please allow us additional time for this procedure.