Dover City Of--commonly Requested Municipal Services, To Access All Departments/services Dover, NH 03820 Phone : (603) 516-6000 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Dover City Municipal Service 288 Central Ave Dover, NH 03820 Phone : (603) 516-6000 Business Category Government Offices-City Village & Twp Legislative Bodies