Johnstown zip code
Zip code in Johnstown, CO
The location Johnstown belongs to Weld County, state of Colorado. Johnstown has been assigned with the zip code 80534.
Johnstown is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Loveland.
| Zip code | Type | Population |
|---|---|---|
| 80534 | STANDARD | 17,280 |
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