Area Code Search
Mountain time zone
Current Time in Johnstown: 01:54 AM
Johnstown Area Codes
Here is the current list of area codes in Johnstown, CO. There is currently 1 area code(s) in Johnstown. Search all the most up-to-date currently used Johnstown area codes below.
Mountain time zone
Current Time in Johnstown: 01:54 AM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 970 | Colorado | Johnstown | Mountain |