ZIP 52203 falls in Iowa County, Iowa, where we hold 229 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 52203 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) |
|---|---|---|---|---|
| Iowa County, Iowa | 79% | 229 | — | — |
| Johnson County, Iowa | 21% | 682 | — | — |
| Linn County, Iowa | 0% | 33,142 | — | — |
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 |
|---|---|---|---|
| Phil’s Sewer and Drain Cleaning | Amana | (319) 430-0220 | 5.0 (2) |
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 52203 spans 3 counties: Iowa County, Iowa, Johnson County, Iowa, Linn County, Iowa.