Laconia City Of--city Hall, Mayor Laconia, NH 03246 Phone : (603) 527-1270 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Laconia City Mayor 45 Beacon St E Laconia, NH 03246 Phone : (603) 527-1270 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools