City
Grafton, IA ZIP codes
1 ZIP, including 50440 as primary city.
Map of Grafton
ZIP code map
ZIP share of this city
Population share
- 5044057.9%
Primary city
ZIP codes in Grafton
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50440 | Grafton | Worth County | 275 | $58,750 |