COAST Share: Buses COAST Visit Website 42 Sumner Drive Dover, NH 03820-5451 (603) 743-5777 (603) 743-5786 (fax) http://www.coastbus.org Facebook Twitter Hours: Service Hours: M-F 5:15a-10:00p Sat. 6:30a-10:00p Office Hours: M-F 8:00a-5:00p About Map About COAST is the region’s non-profit public transportation system. Along with public bus routes and ADA compliant Demand Response services, COAST also operates an Express Commuter Route to the Portsmouth. View Larger Map Sponsors Service Credit Union Waste Management First Seacoast Bank Eversource Profile Bank D.F. Richard Energy Atlantic Broadband HRCU