Johnstown, CO
ZIP Codes in Johnstown, Colorado
January 18, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 80534 | 19,368 | 40.3319, -104.9375 |
Johnstown has 1 ZIP code
ZIP Codes in Johnstown, Colorado
January 18, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 80534 | 19,368 | 40.3319, -104.9375 |