Iron Mountain zip code
Zip code in Iron Mountain, SD
The location Iron Mountain belongs to Lyman County, state of South Dakota. Iron Mountain has been assigned with the zip code 57544.
The location name Iron Mountain is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Kennebec, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 57544 | STANDARD | 410 |
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