Zip Codes in Houghton, Iowa
| Zip Code | Population | Zip Code | Population | Zip Code | Population | Zip Code | Population |
|---|---|---|---|---|---|---|---|
| 146 |
| Zip Code | Population |
|---|---|
| 146 |
© 2026
| Zip Code | Population | Zip Code | Population | Zip Code | Population | Zip Code | Population |
|---|---|---|---|---|---|---|---|
| 146 |
| Zip Code | Population |
|---|---|
| 146 |