| Business | Phone |
| Lunenburg Wiring Inspector Town Hall, Lunenburg 1462 | (978) 582-4156 |
| Building Inspector 17 Main St, Lunenburg 1462 | (978) 582-4146 |
| Town Office 17 Main St, Lunenburg 1462 | (978) 582-4130 |
| Cemetery Dept 71 Holman St, Lunenburg 1462 | (978) 582-4163 |
| Selectmen Board 17 Main St # 4, Lunenburg 1462 | (978) 582-4144 |
| Eagle House Senior Ctr Council 25 Memorial Dr, Lunenburg 1462 | (978) 582-4166 |
| Planning Board 1033 Massachusetts Ave, Lunenburg 1462 | (978) 582-4147 |