Cobalt City zip code
Zip code in Cobalt City, MO
The location Cobalt City belongs to Madison County, state of Missouri. Cobalt City has been assigned with the zip code 63645.
The location name Cobalt City is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Fredericktown, the official name of the location. You can also use any of the following names: Millcreek, Mine La Motte.
| Zip code | Type | Population |
|---|---|---|
| 63645 | STANDARD | 9,460 |
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