Johnston, IA
ZIP Codes in Johnston, Iowa
January 13, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 50131 | 23,967 | 41.6968, -93.7208 |
Johnston has 1 ZIP code
ZIP Codes in Johnston, Iowa
January 13, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 50131 | 23,967 | 41.6968, -93.7208 |