ZIP 37870 falls in Claiborne County, Tennessee, where we hold 13,653 parcels measured as septic county-wide and 110 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 37870.
ZCTA 37870 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) |
|---|---|---|---|---|
| Claiborne County, Tennessee | 75% | 1,906 | 13,653 | 110 |
| Campbell County, Tennessee | 14% | 1,592 | 9,451 | 7,546 |
| Union County, Tennessee | 10% | 6,766 | 6,762 | 1,198 |
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 13,653 parcels measured as septic for Claiborne County, Tennessee as a whole, not broken out by ZIP.
ZIP 37870 spans 3 counties: Claiborne County, Tennessee, Campbell County, Tennessee, Union County, Tennessee.