ZIP 37771 falls in Loudon County, Tennessee, where we hold 11,771 parcels measured as septic county-wide and 10,971 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 37771.
ZCTA 37771 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) |
|---|---|---|---|---|
| Loudon County, Tennessee | 75% | — | 11,771 | 10,971 |
| Roane County, Tennessee | 25% | 18,206 | 11,677 | 10,297 |
3 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 |
|---|---|---|---|
| Pro Septic Services | Lenoir City | (865) 601-1000 | 5.0 (5) |
| Adams Construction | Lenoir City | (865) 816-0200 | — |
| Clean & Clear Plumbing | Lenoir City | (513) 220-2877 | — |
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 11,771 parcels measured as septic for Loudon County, Tennessee as a whole, not broken out by ZIP.
ZIP 37771 spans 2 counties: Loudon County, Tennessee, Roane County, Tennessee.