| Business | Phone |
| Town Administrator 44 Southwest Ave, Jamestown 2835 | (401) 423-7220 |
| Jamestown Harbor Master 43 Conanicus Ave, Jamestown 2835 | (401) 423-7262 |
| Jamestown Harbor Office 43 Conanicus Ave, Jamestown 2835 | (401) 423-9146 |
| Jamestown Substance Abuse 11 Fox Run, Jamestown 2835 | (401) 423-3317 |