ZIP 37064 falls in Williamson County, Tennessee, where we hold 19,931 parcels measured as septic county-wide and 55,675 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 37064.
ZCTA 37064 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) |
|---|---|---|---|---|
| Williamson County, Tennessee | 99% | — | 19,931 | 55,675 |
| Davidson County, Tennessee | 1% | 232 | 1,545 | 187,801 |
2 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 |
|---|---|---|---|
| Avantel Plumbing - Franklin | Franklin | (615) 465-4824 | — |
| Outright Septic | Franklin | (615) 558-8144 | — |
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 19,931 parcels measured as septic for Williamson County, Tennessee as a whole, not broken out by ZIP.
ZIP 37064 spans 2 counties: Williamson County, Tennessee, Davidson County, Tennessee.