Houghton zipcode
| City | Houghton |
| ZIP Code | 52631 |
| Type | PO Box |
| State Code | IA |
| State | Iowa |
ZIP code of Houghton is 52631. This place is located in Iowa state in US. To send any postal service to Houghton, you must use 52631 zipcode.
| City | Houghton |
| ZIP Code | 52631 |
| Type | PO Box |
| State Code | IA |
| State | Iowa |
ZIP code of Houghton is 52631. This place is located in Iowa state in US. To send any postal service to Houghton, you must use 52631 zipcode.
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