Hillsdale, NJ Area Codes
Hillsdale is served by area codes 201 and 551. It is in New Jersey, Bergen County. About 10,144 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 201, 551 |
| State / province | New Jersey |
| County | Bergen County |
| Population | 10,144 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 41.0071, -74.0451 |
What area code is Hillsdale in?
ZIP codes in the code footprint
Nearby towns and their area codes
Park Ridge 201, 551Westwood 201, 551Montvale 201, 551Saddle River 201, 551Ridgewood 201, 551Waldwick 201, 551Closter 201, 551Dumont 201, 551
How to dial
Dial 201 + 7 digits for a number in Hillsdale, or +1 201 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.