ZIP 38401 falls in Maury County, Tennessee, where we hold 15,459 parcels measured as septic county-wide and 19,167 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 38401.
ZCTA 38401 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) |
|---|---|---|---|---|
| Maury County, Tennessee | 96% | — | 15,459 | 19,167 |
| Williamson County, Tennessee | 2% | — | 19,931 | 55,675 |
| Marshall County, Tennessee | 2% | — | 7,705 | 5,747 |
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 |
|---|---|---|---|
| MAC Septic | Columbia | (615) 345-2544 | 5.0 (1) |
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 15,459 parcels measured as septic for Maury County, Tennessee as a whole, not broken out by ZIP.
ZIP 38401 spans 3 counties: Maury County, Tennessee, Williamson County, Tennessee, Marshall County, Tennessee.