| Business | Phone |
| West Wastewater Plant 303 Boundary St, Marlborough 1752 | (508) 624-6919 |
| Marlborough Ambulance Marlborough 1752 | (508) 000-1111 |
| Marlborough City Collector 140 Main St, Marlborough 1752 | (508) 460-3773 |
| Marlborough City Council 140 Main St, Marlborough 1752 | (508) 460-3711 |
| Marlborough City Legal 140 Main St # 4, Marlborough 1752 | (508) 460-3771 |
| Marlborough City Personnel Marlborough 1752 | (508) 460-3705 |
| Marlborough Collector's Office 140 Main St # 1, Marlborough 1752 | (508) 460-3777 |
| Marlborough East Wastewater 860 Boston Post Rd E, Marlborough 1752 | (508) 624-6920 |
| Marlborough Historical Comm Marlborough 1752 | (508) 460-3759 |
| Marlborough Housing Div 240 Main St, Marlborough 1752 | (508) 624-6909 |
| Marlborough Inspectional Svc 140 Main St, Marlborough 1752 | (508) 460-3776 |
| Marlborough Personnel Dept 140 Main St, Marlborough 1752 | (508) 460-3706 |
| Marlborough Public Facilities 17 Washington St, Marlborough 1752 | (508) 460-3521 |
| Marlborough Purchasing Dept 140 Main St # 4, Marlborough 1752 | (508) 460-3707 |
| Marlborough Retirement Board 140 Main St, Marlborough 1752 | (508) 460-3760 |
| Marlborough Sewer Billing 140 Main St, Marlborough 1752 | (508) 460-3745 |
| Marlborough Veterans Svc 255 Main St # 107, Marlborough 1752 | (508) 460-3782 |