ZIP 43140 falls in Madison County, Ohio. 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 43140 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) |
|---|---|---|---|---|
| Madison County, Ohio | 96% | — | — | — |
| Franklin County, Ohio | 2% | 19 | — | — |
| Clark County, Ohio | 1% | 24 | — | — |
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 |
|---|---|---|---|
| Darby Creek Septic | London | (740) 206-4856 | — |
| Deer Creek Excavation | London | (740) 506-0832 | — |
| Yoder's Septic Service | London | (740) 857-1822 | — |
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 43140 spans 3 counties: Madison County, Ohio, Franklin County, Ohio, Clark County, Ohio.