Mount Holly, NJ Area Codes
Mount Holly is served by area codes 609 and 640. It is in New Jersey, Burlington County. About 25,835 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 609, 640 |
| State / province | New Jersey |
| County | Burlington County |
| Population | 25,835 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 40.0100, -74.7922 |
What area code is Mount Holly in?
ZIP codes in the code footprint
Nearby towns and their area codes
Lumberton 609, 640Burlington 609, 640Columbus 609, 640Mount Laurel 609, 856Beverly 609, 640Moorestown 609, 856Riverside 856Bordentown 609, 640
How to dial
Dial 609 + 7 digits for a number in Mount Holly, or +1 609 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.