Mount Holly City Area Code List
| Area Codes |
Country |
State |
City |
Time Zone |
Operating |
| 609 |
US |
New Jersey - NJ |
Mount Holly |
Eastern |
Details |
| 704 |
US |
North Carolina - NC |
Mount Holly |
Eastern |
Details |
| 802 |
US |
Vermont - VT |
Mount Holly |
Eastern |
Details |
| 870 |
US |
Arkansas - AR |
Mount Holly |
Central |
Details |
