Alpena zipcode
| City | Alpena |
| ZIP Code | 57312 |
| Type | Standard |
| State Code | SD |
| State | South Dakota |
ZIP code of Alpena is 57312. This place is located in South Dakota state in US. To send any postal service to Alpena, you must use 57312 zipcode.
| City | Alpena |
| ZIP Code | 57312 |
| Type | Standard |
| State Code | SD |
| State | South Dakota |
ZIP code of Alpena is 57312. This place is located in South Dakota state in US. To send any postal service to Alpena, you must use 57312 zipcode.
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