ZIP 66436 falls in Jackson County, Kansas. We have not measured septic data for this county yet. The county page below has what we do know: where records are kept and whether the portal is public.
ZCTA 66436 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) |
|---|---|---|---|---|
| Jackson County, Kansas | 85% | — | — | — |
| Atchison County, Kansas | 14% | 74 | — | — |
| Jefferson County, Kansas | 1% | 8 | — | — |
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 |
|---|---|---|---|
| Honey Do's | Holton | (785) 364-3755 | — |
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 have not measured septic-versus-sewer status for this county yet.
ZIP 66436 spans 3 counties: Jackson County, Kansas, Atchison County, Kansas, Jefferson County, Kansas.