| Business | Phone |
| Southbridge Accountants Office 41 Elm St, Southbridge 1550 | (508) 764-5400 |
| Southbridge Assessor's Office 41 Elm St, Southbridge 1550 | (508) 764-5404 |
| Southbridge Collector's Office 41 Elm St, Southbridge 1550 | (508) 764-5410 |
| Southbridge Inspections Dept 41 Elm St, Southbridge 1550 | (508) 764-5412 |
| Southbridge Sewer Dept 83 Dresser Hill Rd, Southbridge 1550 | (508) 764-4927 |
| Southbridge Town Clerk's Ofc 41 Elm St, Southbridge 1550 | (508) 764-5408 |
| Southbridge Town Manager's Ofc 41 Elm St, Southbridge 1550 | (508) 764-5405 |
| Southbridge Treasurer's Office 41 Elm St, Southbridge 1550 | (508) 764-5401 |
| Dog Officer 41 Elm St, Southbridge 1550 | (508) 764-5423 |