| Business | Phone |
| Bank Of Tennessee 1230 N Main Ave, Erwin 37650 | (423) 743-9111 |
| Erwin National Bank 201 S Main Ave, Erwin 37650 | (423) 743-2980 |
| First Tennessee Bank 210 Gay St, Erwin 37650 | (423) 743-7101 |
| First Tennessee Bank National Highway 19 & 23amp;, Erwin 37650 | (423) 743-4121 |