Johnstown City Area Code List
| Area Codes |
Country |
State |
City |
Time Zone |
Operating |
| 402 |
US |
Nebraska - NE |
Johnstown |
Central |
Details |
| 518 |
US |
New York - NY |
Johnstown |
Eastern |
Details |
| 740 |
US |
Ohio - OH |
Johnstown |
Eastern |
Details |
| 814 |
US |
Pennsylvania - PA |
Johnstown |
Eastern |
Details |
