ZIP Code 50440 – Grafton, Iowa
The 50440 ZIP Code belongs to Grafton, Iowa. The population in this 50440 ZIP code is 275. The latitude is 43.33213 and longitude is -93.06891 in 50440 Grafton, Iowa. The time zone for this 50440 ZIP code is America/Chicago.
| City | Grafton |
| Zip Code | 50440 |
| State | Iowa |
| County | Worth |
| Population | 275 |
| Latitude | 43.33213 |
| Longitude | -93.06891 |
| Time Zone | America/Chicago |