| Business | Phone |
| Swansea Town Nurse 115 Wood St, Somerset 2726 | (508) 679-6446 |
| Somerset Health Agent 140 Wood St, Somerset 2726 | (508) 646-2804 |
| Somerset Permits Office 140 Wood St, Somerset 2726 | (508) 646-2805 |
| Somerset Planning Board 140 Wood St, Somerset 2726 | (508) 646-2809 |
| Somerset Selectmen Dept 140 Wood St # 23, Somerset 2726 | (508) 646-2800 |
| Somerset Sewer Treatment Plant 116 Walker St, Somerset 2725 | (508) 646-2838 |
| Somerset Town Accountant 140 Wood St, Somerset 2726 | (508) 646-2820 |
| Somerset Veteran's Agent 140 Wood St, Somerset 2726 | (508) 646-2827 |
| Somerset Water Pumping Station 3249 County St, Somerset 2726 | (508) 674-4215 |