| Business | Phone |
| Smithfield Animal Control 3 Spragueville Rd, Smithfield 2917 | (401) 233-1055 |
| Smithfield Building Official 64 Farnum Pike, Smithfield 2917 | (401) 233-1039 |
| Smithfield Sewer Collections 64 Farnum Pike, Smithfield 2917 | (401) 233-1007 |
| Smithfield Town Adm 64 Farnum Pike, Smithfield 2917 | (401) 233-1010 |
| Smithfield Town Council 64 Farnum Pike, Smithfield 2917 | (401) 233-1012 |
| Smithfield Waste Water Plant 20 Esmond Mill Dr, Smithfield 2917 | (401) 233-1066 |
| Smithfield Water Supply Board 3 Spragueville Rd, Smithfield 2917 | (401) 233-1034 |
| Planning Board 64 Farnum Pike, Smithfield 2917 | (401) 233-1017 |