Knowlton Heights zip code
Zip code in Knowlton Heights, ID
The location Knowlton Heights belongs to Canyon County, state of Idaho. Knowlton Heights has been assigned with the zip code 83605.
The location name Knowlton Heights is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Caldwell, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 83605 | STANDARD | 32,130 |
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