ZIP 37748 falls in Roane County, Tennessee, where we hold 11,677 parcels measured as septic county-wide and 10,297 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 37748.
ZCTA 37748 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Roane County, Tennessee | 70% | 18,206 | 11,677 | 10,297 |
| Morgan County, Tennessee | 30% | — | 6,353 | 1,500 |
1 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| Frenia’s Plumbing & Mechanical | Harriman | (865) 469-9833 | 2.2 (10) |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 11,677 parcels measured as septic for Roane County, Tennessee as a whole, not broken out by ZIP.
ZIP 37748 spans 2 counties: Roane County, Tennessee, Morgan County, Tennessee.